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Triunia robusta (C.T.White) Foreman

Species

Angiosperms > Proteales > Proteaceae > Triunia

Characteristics

Shrub or small tree. Branchlets ferruginous-pubescent, soon glabrescent. Leaves with stout petiole 5-8 mm long; lamina oblong-elliptic, 8-18 cm long, 2.5-6.5 cm wide, coriaceous, usually not sub-bullate, glabrous at maturity (some hairs may persist ventrally); margins entire or with several coarse, irregularly-spaced apical teeth. Conflorescence 8-10 cm long; involucral bracts narrowly ovate; adaxial surface with a ±median band of appressed, ferruginous hairs; abaxial surface glabrescent. Pedicels 6-8 mm long. Tepals 16-20 mm long. Hypogynous glands 2 (-4). Fruit subglobose, c. 25 mm long, c. 23 mm diam., reddish, with short, sparse, ferruginous hairs, glabrescent.
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Shrub or tree to 20 m tall. Branchlets terete, ferruginous-pubescent when young, soon glabrescent. Leaves with petiole 5-8 mm long; lamina obovate to narrowly elliptic or elliptic, 6.5-10 cm long, 2-7 cm wide, ferruginous-pubescent, becoming ±glabrous, with some hairs persisting on midrib and undersurface; margins mostly entire (juvenile leaves toothed). Conflorescence to c. 7.5 cm long; involucral bracts ovate; adaxial surface ferruginous-velvety; abaxial surface glabrous. Pedicels 4-6 mm long. Tepals 12-20 mm long. Hypogynous glands 2. Fruit globose, 18-35 mm diam., bright red, glabrescent. Seeds globose, c. 20 mm diam.
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Growth form tree
Growth support free-standing
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Mature height (meter) 20.0
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Environment

Grows in rainforest at altitudes of 380-1000 m.
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Hardiness (USDA) 8-12

Usage

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Cultivation

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Distribution

Triunia robusta world distribution map, present in Australia

Conservation status

Triunia robusta threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:942874-1
WFO ID wfo-0000454519
COL ID 595T9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Triunia robusta Triunia kittredgei Helicia youngiana var. robusta
WorldFloraDB 2024