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Melastomatoideae

(Subfamily)

Overview

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Taxonomy

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The Subfamily Melastomatoideae is a member of the Family Melastomataceae. Here is the complete "parentage" of Melastomatoideae:

The Subfamily Melastomatoideae is further organized into finer groupings including:

Genera

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Adelobotrys

Adelobotrys is a genus of plant in the family Melastomataceae. It contains the following species (but this list may be incomplete): [more]

Anerincleistus

[more]

Astrocalyx

[more]

Astronia

Shrubs or small trees. Branches terete or obtusely 4-sided, glabrous or pubescent. Leaves petiolate; leaf blade ovate to oblong, secondary veins 1 on each side of midvein, margin entire. Flowers 4- or 5-merous. Inflorescences terminal, cymose paniculate; bracts small, caducous. Hypanthium campanulate, pubescent or glabrous. Calyx lobes 3-8 or inconspicuous. Petals 4 or 5, white or purple. Stamens 8 or 10(or 12), equal; filaments short; anthers oblong or 3-sided, small, longitudinally dehiscent; connective decurrent and inflated, usually conic, 2-3 × as large as anthers or not appendaged. Ovary inferior, 2-5-celled, apex often truncate but without a crown; ovules with parietal placentation near base of ovary. Style short; stigma capitate. Capsule subglobular, enclosed by hypanthium; hypanthium subglobular, apical margin irregular. Seeds linear to linear-oblanceolate, small.[1] [more]

Astronidium

Astronidium is a genus of plant in family Melastomataceae. It contains the following species (but this list may be incomplete): [more]

Axinaea

Axinaea is a genus of plant in family Melastomataceae. [more]

Barthea

Shrubs. Branches 4-sided, glabrous or slightly furfuraceous. Leaves opposite, petiolate; leaf blade both surfaces glabrous, secondary veins 2 on each side of midvein but marginal veins inconspicuous, margin entire. Inflorescences terminal, cymes, (1-) 3-flowered. Flowers 4-merous. Hypanthium campanulate, acutely 4-angled, furfuraceous. Calyx lobes 4, lanceolate to shortly triangular. Petals 4, broadly obovate. Stamens 8, whorls unequal in length. Anthers of longer stamen lanceolate, apex beaked; connective basally extended adaxially into an inconspicuous spur bearing 2 long setae. Anthers of shorter stamen oblong, apex not beaked, 2-setose at base; connective slightly inflated. Ovary half inferior, pyriform, 4-sided, 4-celled, glabrous. Capsule oblong-globose, obtusely 4-sided, often furfuraceous, dehiscing into 4 valves. Seeds numerous, cuneiform, small.[2] [more]

Beccarianthus

[more]

Blakea

Blakea is a genus of in family Melastomataceae. [more]

Blastus

Shrubs. Branches terete, usually glandular pubescent. Leaves opposite, petiolate to almost sessile; leaf blade oblong-lanceolate to ovate-lanceolate, secondary veins 1 or 2(or 3) on each side of midvein. Inflorescences axillary and umbellate cymes or umbellate or terminal and cymose panicles; peduncle usually short, rarely long or absent; bracts absent or caducous. Flowers (3 or) 4(or 5) -merous, minute. Hypanthium funnelform to funnelform-campanulate, (3 or) 4(or 5) -sided. Petals 4, ovate, oblong, or rarely lanceolate. Stamens 4(or 5), whorls equal in shape and length; anthers apically attenuate, curved or geniculate, divergent at base, dehiscence poricidal; connective slightly inflated, not appendaged at base. Ovary inferior, 4-celled; placentation axile, paired. Style filiform, simple. Capsule obscurely 4-furrowed, opening at apex by 4 pores, finally loculicidally dehiscing into 4-valves. Seeds very numerous, cuneate.[3] [more]

Brachyotum

Brachyotum is a genus of in family Melastomataceae. [more]

Bredia

Herbs or shrublets, erect or creeping to ascending. Stems terete or 4-sided. Leaves petiolate; leaf blade secondary veins 1-3(or 4) on each side of midvein, tertiary veins parallel, margin denticulate, serrate, or almost entire. Inflorescences terminal, few-flowered cymes, cymose panicles, or rarely umbellate cymes; bract small, frequently caducous. Flowers (3 or) 4-merous. Hypanthium funnel-shaped, turbinate, or nearly campanulate. Calyx lobes conspicuous. Petals pink to purplish red, ovate to broadly ovate, sometimes slightly oblique, apex acute, acuminate, or retuse. Stamens dimorphic, twice as many as petals, unequal in length; filaments filiform; anthers dimorphic, subulate, linear-subulate, or oblong-linear. Longer stamens usually without tuberculate base; connective decurrent, slightly prolonged. Ovary half inferior, turbinate, 4-celled. Style filiform; stigma apiculate. Capsule turbinate, usually obtusely 4-sided, woody, apex truncate but with crown usually exserted from calyx; calyx lobes usually persistent. Seed numerous, very minute, cuneate, densely granulate.[4] [more]

Clidemia

Clidemia is a plant genus from the family with about 450 species. [more]

Conostegia

[more]

Dissotis

[more]

Driessenia

Graffenrieda

Graffenrieda caudata is a species of in the Melastomataceae family. It is monotypic within the genus Graffenrieda. It is endemic to Guyana. [more]

Gravesia

[more]

Lavoisiera

[more]

Leandra

Leandra is a genus of in family Melastomataceae. [more]

Medinilla

Medinilla is a genus of about 150 species of flowering plants in the family Melastomataceae, native to tropical regions of the Old World from Africa (two species) east through Madagascar (about 70 species) and southern Asia to the western Pacific Ocean islands. The genus was named after J. de Medinilla, governor of the Mariana Islands in 1820. [more]

Melastoma

Melastoma is a genus in the family . It has about 50 species distributed around Southeast Asia, India, and Australia. It is undergoing taxonomic revision. Many species have been planted around the world for the aesthetic value of their bright purple flowers. This has led to the unavoidable consequence of these plants turning into weeds. They're considered so in Hawaii and parts of mainland USA. [more]

Meriania

Meriania is a genus of in family Melastomataceae. [more]

Miconia

Miconia is a genus of in the family Melastomataceae, native to warm temperate to tropical regions of the Americas. The species are mostly shrubs and small to medium-sized trees up to 15 m tall. [more]

Microlicia

[more]

Monochaetum

Monochaetum is a genus of in the family Melastomataceae, native to warm temperate to tropical regions of the Americas. The species are mostly shrubs and small to medium-sized trees. [more]

Osbeckia

Osbeckia is a genus of plants in the family Melastomataceae. It was named by Carolus Linnaeus for the Swedish explorer and naturalist Pehr Osbeck (1723?1805). [more]

Ossaea

Ossaea is a genus of in family Melastomataceae. It contains the following species (but this list may be incomplete): [more]

Oxyspora

Shrubs. Stems 4-sided or obtusely 4-sided, channeled. Leaves petiolate; leaf blade stiffly papery to sometimes membranous, secondary veins 2 or 3 on each side of midvein, margin denticulate. Inflorescences terminal, a cymose panicle, with 2(or 3) leaflike bracts at base. Bractlets and bracteoles very small, caducous. Flower 4-merous. Hypanthium narrowly funnelform, 8-veined. Calyx lobes shortly and broadly triangular or shortly triangular-ovate, apex acute and apiculate. Petals pink, red, or dark red, ovate, apex apiculate and puberulous. Stamens 8, whorls unequal in length. Longer stamens purple; connective swollen and usually not extended at base into a spur. Shorter stamens yellow; connective usually extended at base into a short spur. Ovary inferior, 4-celled, glabrous. Capsule obovoid or ovoid, 4-poricidal; hypanthium narrowly funnelform, apically contracted, 8-ribbed. Seeds numerous, small, triangular-lanceolate, angular.[5] [more]

Phyllagathis

Herbs, shrublets, or shrubs, erect or stoloniferous. Stems usually 4-sided. Leaves petiolate; leaf blade secondary veins 2-4 on each side of midvein, tertiary veins parallel, margin entire or denticulate. Inflorescences terminal, subterminal, or axillary, umbellate, cymose umbellate, cymose paniculate, or rarely capitate, usually long pedunculate; bracts caducous. Flowers (3 or) 4-merous. Pedicel bracteolate. Hypanthium funnel-shaped or subcampanulate, (3 or) 4-sided, longitudinal (6 or) 8-ribbed. Calyx lobes (3 or) 4. Petals ovate, obovate, or broadly ovate, usually oblique. Stamen whorls equal in shape and length or only slightly unequal in length; anthers subulate to oblong-linear, base tuberculate, expanded, or not appendaged; connective decurrent, forming a short spur. Ovary inferior, urceolate, rarely cup-shaped, (3 or) 4-celled. Style filiform; stigma acute. Capsule cup-shaped or globose-urceolate; hypanthium 8-ribbed. Seeds small, cuneate, angulate, densely tuberculate or not.[6] [more]

Poikilogyne

[more]

Rhexia

Rhexia (Deer Grass, Meadow Beauty) is a of plants in the Melastomataceae family. [more]

Sonerila

Herbs, shrublets, or shrubs, branched. Stems usually 4-sided, winged or not, usually pubescent with simple or glandular trichomes. Petiole winged or not, usually pubescent; leaf blade thin, secondary veins 2-4(or 5) on each side of midvein, base usually cordate and often oblique, margin serrulate with each tooth having a terminal seta, apex acute or acuminate. Inflorescences terminal or sometimes axillary, scorpioid cymes or subumbellate, pedunculate; bracts small, caducous. Flowers small, 3[or 6]-merous. Hypanthium tubular-campanulate, 3-sided, 6-ribbed, pubescent. Calyx lobes broadly triangular, small, very short. Petals pink, red, or purplish red, oblong-elliptic. Stamens 3[or 6], equal or unequal; filaments filiform; anthers subulate to broadly ovate, dehiscence poricidal; connective not inflated. Ovary inferior, urceolate, apex with a membranous 3-lobed crown. Style filiform; stigma apiculate. Capsule campanulate to tubular-campanulate, crown woody and exserted from calyx; hypanthium 3[or 6]-sided, 6-ribbed, usually with sparse glandular trichomes. Seeds numerous, cuneate, small, glabrous or small tuberculate.[7] [more]

Tibouchina

Tibouchina () is a genus of about 350 species of neotropical plants in the family Melastomataceae. They are trees, shrubs or subshrubs growing 0.5?25 m tall, and are known as glory bushes or glory trees. They are native to rainforests of Mexico, the Caribbean, and South America, especially Brazil. The name comes from an adaptation of the native Guiana term for these shrubs. [more]

Tococa

[more]

Topobea

Topobea is a genus of in family Melastomataceae. It contains the following species (but this list may be incomplete): [more]

At least 93 species and subspecies belong to the Genus Topobea.

More info about the Genus Topobea may be found here.

Bibliography

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Footnotes

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  1. "Astronia". in Flora of China Vol. 13 Page 360, 396. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  2. "Barthea". in Flora of China Vol. 13 Page 361, 370. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  3. "Blastus". in Flora of China Vol. 13 Page 360, 371. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  4. "Bredia". in Flora of China Vol. 13 Page 361, 374. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  5. "Oxyspora". in Flora of China Vol. 13 Page 361, 366, 367, 369. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  6. Jie Chen & Susanne S. Renner "Phyllagathis". in Flora of China Vol. 13 Page 361, 377, 388. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.
  7. Jie Chen & Susanne S. Renner "Sonerila". in Flora of China Vol. 13 Page 361, 390. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Sources

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Last Revised: August 24, 2012
2012/08/24 20:08:37