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Buchenavia pabstii

Overview

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Endangered

Threat status

Interesting Facts

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Description

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Family Combretaceae

Trees , shrubs , or woody lianas, evergreen or deciduous, rarely subherbaceous. Indumentum of simple hairs , glandular hairs, or multicellular hairs secreting calcium oxalate and forming scales or present beneath cuticle and making leaf blade surface verruculose and sometimes translucent dotted . Leaves opposite, subopposite, whorled , spiraled, or alternate, usually petiolate , estipulate; petiole sometimes persistent and thornlike; leaf blade simple, margin entire or subentire , sometimes toothed , glands often present between crenations of proximal margin and at base or on petiole. Inflorescences terminal , axillary , or extra-axillary , spikes, branched spikes, racemes , panicles, or sometimes capitula, bracteate . Flowers usually regular, rarely slightly zygomorphic, usually bisexual , sometimes bisexual and male flowers present in same inflorescence. Receptacle surrounding and adnate to ovary and extended into a short or long calyx tube dilated distally (together termed "calyx tube" in this treatment) ; lobes 4 or 5(-8), valvate in bud, persistent or deciduous, sometimes almost absent. Petals 4 or 5, inserted near mouth of calyx tube, imbricate or valvate in bud, conspicuous or not, or absent. Stamens usually 2 × as many as calyx lobes in 2 series, inserted inside distal part of calyx tube, included in or exserted from calyx tube; filaments incurved in bud; anthers dorsifixed , usually versatile, dehiscing longitudinally. Disk usually present, intrastaminal , hairy or glabrous . Ovary inferior, 1-loculed; ovules 2(-6), pendulous, anatropous , usually only 1 developing; style 1, simple, usually free from distal part of calyx tube, subulate to filiform ; stigma capitate or inconspicuous. Fruit a pseudocarp, very variable in shape and size, fleshy or dry, 1-seeded, usually indehiscent, often longitudinally 2-5-winged, -ridged, or -angled; endocarp not or at least partly sclerenchymatous . Cotyledons convolute, folded, or twisted. Endosperm absent.

About 20 genera and ca. 500 species: widespread in tropics and subtropics; six genera and 20 species (one endemic) in China.

Tan et al. (J. Plant. Res. 115: 475-481. 2002) inferred a phylogeny of the Chinese genera from nuclear , plastid, and spacer sequences based on 16 species in 19 samples . The mangrove genera Lumnitzera and Laguncularia Gaertner were placed as sister taxa in a clade sister to the other genera in China plus Conocarpus Linnaeus. The latter group comprised two clades: one with Conocarpus sister to an unresolved grouping of Terminalia and Anogeissus; the other with Getonia sister to Quisqualis and Combretum.[1]

Habitat

Biome: Terrestrial [2].

Taxonomy

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Notes

Publishing author : N.Marquete Ferreira da Silva & M .C.Valente Publication : in Atas Soc. Bot. Brasil, Rio de Janeiro, 3(14): 113 (1992) 1992

Similar Species

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Members of the genus Buchenavia

ZipcodeZoo has pages for 1 species, subspecies, varieties, forms, and cultivars in this genus:

B. tetraphylla (Fourleaf Buchenavia)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Jie Chen & Nicholas J. Turland "Combretaceae". in Flora of China Vol. 13 Page 309. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. Silva, N.M.F. 1998. Buchenavia pabstii. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 31 January 2012. [back]
Last Revised: 7/22/2012