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Alseodaphne rugosa

Overview

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Endangered

Threat status

Description

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Family Lauraceae

Shrubs to tall trees , evergreen or rarely deciduous ( Cassytha a parasitic vine with leaves reduced to scales ), usually aromatic . Leaves alternate, rarely whorled or opposite, simple , without stipules, petiolate . Leaf blade : unlobed (unlobed or lobed in Sassafras ), margins entire, occasionally with domatia (crevices or hollows serving as lodging for mites ) in axils of main lateral veins (in Cinnamomum ) . Inflorescences in axils of leaves or deciduous bracts, panicles (rarely heads ), racemes , compound cymes, or pseudoumbels (spikes in Cassytha ), sometimes enclosed by decussate bracts. Flowers bisexual or unisexual , bisexual only, or staminate and pistillate on different plants , or staminate and bisexual on some plants, pistillate and bisexual on others; flowers usually yellow to greenish or white, rarely reddish; hypanthium well developed, resembling calyx tube , tepals and stamens perigynous; tepals 6(-9), in 2(-3) whorls of 3, sepaloid , equal or rarely unequal, if unequal then usually outer 3 smaller than inner 3 (occasionally absent in Litsea ) ; stamens (3-) 9(-12), in whorls of 3, but 1 or more whorls frequently staminodial or absent; stamens of 3d whorl with 2 glands near base ; anthers 2- or 4-locular, locules opening by valves ; pistil 1, 1-carpellate; ovary 1-locular; placentation basal; ovule 1; stigma subsessile , discoid or capitate. Fruits drupes, drupe borne on pedicel with or without persistent tepals at base, or seated in ± deeply cup-shaped receptacle (cupule), or enclosed in accrescent floral tube . Seed 1; endosperm absent.

Genera ca. 50, species 2000-3000 (9 genera, 13 species in the flora ) : pantropical , a few species also in subtropical and temperate regions

Cassytha is sometimes placed in its own family , Cassythaceae; it is here retained in Lauraceae.[1]

Habitat

Ecology: Dense forest .[2]

Taxonomy

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Notes

Publishing author : Merr. & Chun Publication : in Sunyatsenia, ii. 232 (1935).

Similar Species

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Members of the genus Alseodaphne

ZipcodeZoo has pages for 68 species, subspecies, varieties, forms, and cultivars in this genus:

A. albifrons · A. amara · A. andersonii · A. archboldiana · A. bancana · A. birmanica · A. borneensis · A. breviflora · A. caudata · A. cavaleriei · A. chinensis · A. coriacea · A. corneri · A. costalis · A. cuneata · A. cymbarum · A. dumicola · A. dura · A. elmeri · A. elongata · A. excelsa · A. falcata · A. foetida · A. foxiana · A. garciniaecarpa · A. gigaphylla · A. gracilis · A. grandis · A. hainanensis · A. helophila · A. hokouensis · A. huanglianshanensis · A. insignis · A. keenanii · A. khasyana · A. longipes · A. macrantha · A. malabonga · A. marlipoensis · A. medogensis · A. micrantha · A. mollis · A. montana · A. nigrescens · A. oblanceolata · A. obovata · A. omeiensis · A. owdeni · A. paludosa · A. pandurifolia · A. panduriformis · A. peduncularis · A. pendulifolia · A. perakensis · A. petiolaris · A. philippinensis · A. polyneura · A. ramosii · A. ridleyi · A. rubroligna · A. rubrolignea · A. rugosa · A. semecarpifolia · A. semicarpifolia · A. sichourensis · A. tonkinensis · A. umbelliflora · A. yunnanensis

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. Henk van der Werff "Lauraceae". in Flora of North America Vol. 3. Oxford University Press. Online at EFloras.org. [back]
  2. World Conservation Monitoring Centre 1998. In IUCN 2008. 2008 IUCN Red List of Threatened Species. IUCNRedList.org. Downloaded July 19, 2008. [back]
Last Revised: 2009-07-03