Elaeocarpus roslii bracteolatus

• Interesting Facts
• Description
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Interesting Facts

Description

Family Elaeocarpaceae

Trees or shrubs , evergreen or semi-evergreen . Leaves alternate or rarely opposite, stipulate or not, petiolate , simple , pinnately veined. Inflorescence axillary or terminal , racemose, corymbose , paniculate , or sometimes fascicled or solitary flowers. Flowers bisexual or polygamous, 4- or 5-merous, actinomorphic , with or without bracts. Sepals 4 or 5, basally connate or free , usually valvate . Petals 4 or 5, sometimes absent, valvate or imbricate, margin laciniate or rarely entire. Stamens 8 to numerous ; filaments free and borne on disks; anthers 2-celled, dehiscent by apical or longitudinal slits, awned or tipped with hairs at apices. Disk circular or glandularly lobed . Ovary superior, 2- to several loculed; placentation axile ; ovules 2 to several per locule; style connate or free. Fruit a drupe or capsule. Seeds with copious endosperm; embryo flat.

About 12 genera and ca. 550 species: primarily in tropical to subtropical regions of both hemispheres, excluding Africa; two genera and 53 species (21 endemic) in China.[1]

Genus Elaeocarpus

Trees or rarely shrubs . Leaves alternate or spirally arranged ; stipules linear or rarely leaflike, caducous , rarely persistent ; petiole usually long and swollen at both ends; leaf blade margin serrate or entire, pinnately veined. Inflorescence axillary , racemose. Flowers bisexual , 4- or 5-merous. Sepals 4 or 5, valvate , abaxially usually pubescent . Petals 4 or 5, white, free , margin laciniate, rarely entire or lobed . Stamens 8 to numerous ; filaments short; anthers 2-celled, dehiscing from apical slits, with awn or hairs at tip . Disk usually glandularly 5-10-lobed, rarely circular. Ovary superior, 2-5(-7) -loculed; ovules 2-12 per locule; style linear or subulate . Fruit a drupe, 1(or 5) -loculed; endocarp hard, bony, surface usually lacunose . Seeds usually 1 per locule, with fleshy endosperm; cotyledons thin; embryo straight or curved .

About 360 species: primarily in the Old World tropics; 39 species (14 endemic) in China.[2]

Taxonomy

Notes

Publishing author : Coode Publication : Kew Bull . 51(1): 96 (1996) 1996

Similar Species

Members of the genus Elaeocarpus

ZipcodeZoo has pages for 8 species, subspecies, varieties, forms, and cultivars in this genus:

E. angustifolius (Ash Quandong) · E. carolinensis (Elaeocarpus) · E. cyaneus (Whitebark) · E. decipiens (Japanese Blueberry Tree) · E. decipiens 'Monproud' (Dwarf Japanese Blueberry Tree) · E. grandis (Blue Marble Tree) · E. obovatus (Hard Quandong) · E. reticulatus (Blue Oliveberry)

More Info

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• Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books

Further Reading

• Chang Hung-ta. 1989. Elaeocarpaceae. In: Chang Hung-ta, ed., Fl. Reipubl. Popularis Sin. 49(1): 1-46.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 11, 2012.

Identifiers

• Zipcode Zoo Species Identifier: 4540495

Footnotes

1. Ya Tang & Chamlong Phengklai "Elaeocarpaceae". in Flora of China Vol. 12 Page 223. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
2. "Elaeocarpus". in Flora of China Vol. 12 Page 223. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]

©2004-2012 David Stang. All rights reserved.