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Bougainvillea formosa


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Family Nyctaginaceae

Herbs, shrubs , trees , or sometimes spiny vines . Leaves opposite, alternate, or whorled ; stipules absent; petiole usually present, well defined; leaf blade simple , herbaceous or slightly fleshy , margin entire. Inflorescences mostly terminal , less often axillary , of cymes, umbels, or verticils , sometimes 1-flowered or fasciculate, often grouped into panicles; bracts often inconspicuous, sometimes forming calyxlike involucre, or large and brightly colored . Flowers bisexual , rarely unisexual or polygamous, actinomorphic . Perianth constricted beyond the ovary, base persistent , closely enclosing ovary which appears inferior, limb petaloid beyond constriction, tubular , funnelform , or campanulate , apex 5-10-lobed, lobes plicate or valvate in bud, persistent or caducous . Disk absent. Stamens (1-) 3-5(-many), hypogynous, free or connate at base, involute in bud; anthers 2-loculed, dehiscence longitudinal . Ovary superior, 1-loculed; ovule 1. Style 1; stigma globose . Fruit an achenelike anthocarp enclosed by persistent perianth, ribbed or winged , often glandular . Seed 1; endosperm present; embryo straight or curved .

About 30 genera and 300 species: tropics and subtropics, mainly in tropical America; six genera (two introduced ) and 13 species (one endemic, three introduced) in China.[1]

Genus Bougainvillea

Shrubs or small trees , sometimes climbing . Branches spiny . Leaves alternate, petiolate , leaf blade ovate or elliptic-lanceolate. Inflorescences axillary , pedunculate , 3-flowered cymes, each flower subtended by a persistent , often brightly colored , ovate bract adnate to the pedicel, often grouped into terminal panicles. Flowers bisexual ; pedicel adnate to the midvein or the bract. Perianth connate , limb rose or yellow, funnelform , 5-6-lobed, lobes short. Stamens 5-10, included ; filaments shortly united at base . Ovary fusiform , stipitate . Style lateral , short linear ; stigma fimbriate. Fruit cylindric or clavate , 5-ribbed, without sticky glands . Seed: testa thin; embryo curved , cotyledons convolute, enclosing the endosperm.

About 18 species: native to South America, widely cultivated in tropical and subtropical regions; two species (introduced ) in China.[2]


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Similar Species

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Members of the genus Bougainvillea

ZipcodeZoo has pages for 49 species, subspecies, varieties, forms, and cultivars in this genus:

B. arborea (Tree Bougainvillea) · B. 'Blueberry Ice' (Blueberry Ice Bougainvillea) · B. brasiliensis 'Raspberry Ice' (Bougainvillea) · B. 'Delta Dawn' (Delta Dawn Bougainvillea) · B. glabra (Bougainvillea) · B. glabra 'Helen Johnson' (Bougainvillea) · B. glabra 'Sanderiana' (Paper Flower) · B. spectabilis (Bougainvillea) · B. spectabilis var. Twilight Delight (Bougainvillea) · B. spectabilis 'Orange King' (Paper Flower) · B. × buttiana 'Enid Lancaster' (Enid Lancaster Bougainvillea) · B. x buttiana 'Orange King' (California Gold Bougainvillea) · B. 'Barbara Karst' (Barbara Karst Bougainvillea) · B. 'California Gold' (Bougainvillea) · B. 'Cherry Blossom' (Cherry Blossom Bougainvillea) · B. 'Coconut Ice' (Bougainvillea) · B. 'Double Delight' (Bougainvillea) · B. 'Double Red' (Bougainvillea) · B. 'Double White' (Bougainvillea) · B. 'Elizabeth Angus' (Bougainvillea) · B. 'Imperial Delight' (Imperial Delight Bougainvillea) · B. 'Jamaica White' (Bougainvillea) · B. 'James Walker' (James Walker Bougainvillea) · B. 'Key West White' (Bougainvillea) · B. 'La Jolla' (Bougainvillea) · B. 'Manila Red' (Manila Red Bougainvillea) · B. 'Mary Palmer's Enchantment' (Mary Palmer`s Enchantment Bougainvillea) · B. 'Monan' (Tahitian Dawn ® Bougainvillea) · B. 'Moneth' (Purple Queen ® Bougainvillea) · B. 'Monio' (Don Mario ® Bougainvillea) · B. 'Monka' (Oo-La-La ® Bougainvillea) · B. 'Monle' (Camarillo Fiesta" Bougainvillea) · B. 'Ms Alice' (Bougainvillea) · B. 'Oo-La-La' (Bougainvillea) · B. 'Orange Ice' (Orange Ice Bougainvillea) · B. 'Pagoda Pink' (Bougainvillea) · B. 'Pink Pixie' (Bougainvillea) · B. 'Raspberry Ice' (Bougainvillea) · B. 'Rosea' (Bougainvillea) · B. 'Rosenka' (Bougainvillea) · B. 'San Diego Red' (Bougainvillea) · B. 'Scarlett O'Hara' (Scarlett O'hara Bougainvillea) · B. 'Singapore Pink' (Silhouette" Bougainvillea) · B. 'Singapore White' (Ms. Alice" Bougainvillea) · B. 'Tahitian Maid' (Tahitian Maid Bougainvillea) · B. 'Texas Dawn' (Bougainvillea) · B. 'Tom Thumb' (Bougainvillea) · B. 'Torch Glow' (Bougainvillea) · B. 'Tropical Rain' (Bougainvillea)

More Info

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Further Reading

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  1. Dequan Lu & Michael G. Gilbert "Nyctaginaceae". in Flora of China Vol. 5 Page 430. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at [back]
  2. "Bougainvillea". in Flora of China Vol. 5 Page 431. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at [back]
Last Revised: 2015-02-03