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Anisoptera laevis

Overview

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Endangered

Threat status

Description

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Family Dipterocarpaceae

Trees , evergreen or semievergreen, rarely deciduous in dry season . Xylem with aromatic resin in intercellular resin canals. Branchlets with stipular scars , sometimes annular . Leaves simple , alternate; stipules persistent or caducous , large or small; leaf blade with lateral veins pinnate, margin entire or sinuate-crenate. Inflorescences few- or many-flowered, terminal or axillary racemes or panicles; flowers usually sweetly scented; bracts usually fugacious and minute, rarely persistent and large. Inflorescences, calyces, petals, ovary, and other parts usually with stellate , squamate , fascicled or free-standing hairs . Flowers bisexual , actinomorphic , contorted. Calyx lobes 5, free or united at base , imbricate in bud if not united. Petals 5, adnate or connate at base. Stamens (10-) 15 to many, free from or connate to petals; filaments usually dilated at base; anthers 2-celled, with 2 pollen sacs per cell (Chinese species) ; connective appendages aristate , filiform or stout. Ovary superior, rarely semi-inferior, slightly immersed in torus, usually 3-loculed, each locule 2-, rarely many ovuled; ovules pendulous, lateral or anatropous . Fruit usually nutlike, sometimes capsular and 3-valved, 1(to many) -seeded, with persistent, variously accrescent calyx of which 2 or more lobes are usually developed into lorate wings. Seed exalbuminous ; cotyledons fleshy , equal or unequal, applanate or folded or cerebriform , entire or laciniate ; radicle directed toward hilum , usually included between cotyledons.

About 17 genera and 550 species: tropical Africa, Asia, and South America (in Asia, most species and genera in NW Borneo) ; five genera and 12 species (one endemic, one introduced ) in China.[1]

Taxonomy

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Notes

Publishing author : Ridl. Publication : Fl. Mal. Penins. i. 219 (1922).

Similar Species

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Members of the genus Anisoptera

ZipcodeZoo has pages for 31 species, subspecies, varieties, forms, and cultivars in this genus:

A. aurea · A. bantamensis · A. brunnea · A. cochinchinensis · A. costata · A. curtisii · A. forbesii · A. glabra · A. grandiflora · A. grossivenia · A. guiso · A. kostermansiana · A. kostermansii · A. laevis · A. lanceolata · A. mangachapoi · A. marginata · A. marginatoides · A. megistocarpa · A. melanoxylon · A. mindanensis · A. oblonga · A. odorata · A. palembanica · A. parvifolia · A. polyandra · A. reticulata · A. robusta · A. scaphula · A. thurifera · A. thurifera thurifera

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal December 01, 2007:

Identifiers

Footnotes

  1. Xi-wen Li, Jie Li & Peter S. Ashton "Dipterocarpaceae". in Flora of China Vol. 13 Page 48. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 2009-07-03