Parsonsia philippinensis Merr.

Species

Angiosperms > Gentianales > Apocynaceae > Parsonsia

Characteristics

Branchlets minutely puberulent. Leaves opposite; petiole 0.7-2.5 cm long; blade papery to coriaceous, elliptic, 3.9-15.7 by 0.9-7.9 cm, 2-4.1 times as long as wide, apex acuminate, base rounded to cuneate, sparsely puberulent on petiole and often also on midrib beneath, 5-8 pairs of secondary veins, ascending, tertiary venation obscure or laxly reticulate. Inflorescence of axillary and, often, terminal cymes, robust, 3.3-10 cm long; puberulent; peduncles 1.1-3.3 cm long; pedicels 3-4.5 mm long. Sepals ovate to oblong, 1.6-2.7 by 1.3-1.7 mm, 1-2.1 times as long as wide, apex rounded to obtuse, puberulent. Corolla white to reddish, fleshy, buds cylindrical, head rounded, lobes strongly dextrorse, open corolla with erect lobes; tube 2.8-3.7 mm long, 1.3-2.3 times as long as sepals, 0.9-1.4 times as long as wide; lobes oblong, 2.5-4.2 by 0.9-1.1 mm, apex rounded to obtuse; glabrous to puberulent outside, glabrous inside except on filaments. Stamens inserted at 0.9-2.1 mm from corolla base which is 0.2-0.6 of tube length; filaments strongly twisted but not wound around style, puberulent, 1.8-3.5 mm long; anthers narrowly triangular, tails broad to narrow, 3-3.9 by 0.5-0.7 mm, 4.9-7.2 times as long as wide. Disk of 5 separate lobes, occasionally fused at base, oblong to narrowly triangular, apex acute, flat-topped or notched, 0.6-1 mm long. Ovary 0.8-1.6 mm long; style 2.1-3.6 mm long; style head 0.7-1.2 mm long. Fruit fusiform, thick-walled, glabrous, 8-13.3 by 1-1.4 cm. Seeds not seen.
Life form perennial
Growth form shrub
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Sexuality hermaphrodite
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Environment

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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Parsonsia philippinensis world distribution map, present in Malaysia, Philippines, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:80984-1
WFO ID wfo-0000264854
COL ID 764QW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Parsonsia paniculiformis Parsonsia siamensis Parsonsia philippinensis