Tarenna attenuata (Hook.F.) Hutch.

Species

Angiosperms > Gentianales > Rubiaceae > Tarenna

Characteristics

Shrubs or trees, 1-8 m tall; branches glabrous, flattened, becoming ash gray to brown with age. Petiole 0.5-1.5 cm, glabrous; leaf blade drying papery or thinly leathery, blackish brown, and somewhat shiny adaxially, oblong-lanceolate, oblong-obovate, lanceolate, or obovate, 4.5-15 × 1.5-6 cm, both surfaces glabrous, base cuneate or acute, margins sometimes thinly revolute, apex acuminate or abruptly shortly acuminate; secondary veins 5-10 pairs, sometimes with pilosulous domatia; stipules persistent, shortly united around stem, narrowly triangular, 4-9 mm, glabrous, acuminate to cuspidate. Inflorescences congested-cymose, pyramidal to corymbiform, 2.5-5 × 4-6 cm, many flowered, puberulent to glabrescent, pedunculate; peduncle 0.3-1 cm; bracts narrowly triangular to subulate, 1-5 mm, acute; pedicels 0.5-5 mm. Flowers subsessile to pedicellate in dichotomous cymules. Calyx glabrous; hypanthium portion subglobose to ellipsoid, 1.5-2 mm; limb 1-2 mm, lobed for 1/4-1/2; lobes triangular, acute. Corolla white or pale yellow, outside glabrous; tube 2-2.5 mm, villosulous at throat; lobes narrowly oblong to spatulate, 5-8 mm, acute to obtuse. Ovules 1 per cell. Berries subglobose, 5-7 mm in diam., glabrous; seeds 2. Fl. Apr-Nov, fr. May-Jan.
Life form -
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 1.0 - 8.0
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Hardiness (USDA) 8-12

Usage

Uses construction medicinal
Edible -
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Animal toxicity -

Cultivation

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Distribution

Tarenna attenuata world distribution map, present in China, Myanmar, Thailand, and Viet Nam

Conservation status

Tarenna attenuata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:767407-1
WFO ID wfo-0000320890
COL ID 54X9Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pavetta coffeacea Stylocoryna attenuata Tarenna attenuata Webera attenuata Ixora attenuata Tarenna sylvestris Cupia corymbosa