Parsonsia marginata Markgr.

Species

Angiosperms > Gentianales > Apocynaceae > Parsonsia

Characteristics

Branchlets glabrous, rarely with the occasional minute hair. Leaves opposite; petiole 0.7-1.5 cm long, glabrous or with few hairs; blade coriaceous, elliptic with a slightly inrolled margin, 2.1-10.8 by 0.8-4.1 cm, 2-3.7 times as long as wide, apex acuminate, base obtuse to weakly cordate, glabrous or with few hairs on midrib beneath, 4-9 pairs of secondary veins, ascending, tertiary venation of an intramarginal nerve and then reticulate. Inflorescence of robust axillary cymes, 1.9-4.6 cm long; sparsely puberulent on upper parts; peduncles 0.8-1.7 cm long; pedicels 3-5.5 mm long. Sepals ovate, connate at base, 1.1-1.8 by 0.8-1.2 mm, 1.2-1.6 times as long as wide, apex acuminate to obtuse, sparsely puberulent. Corolla buds with acuminate head, lobes slightly overlapping, open corolla subcampanulate, lobes erect; tube 2-3.4 mm long, 1.6-3.1 times as long as sepals, 0.6-1 times as long as lobes; lobes narrowly triangular, 2.5-3.9 by 1.1-1.5 mm; puberulent outside, especially on upper tube and lobes, pubescent in throat and top of tube with downward pointing hairs. Stamens inserted at 0.7-0.9 mm from corolla base which is c. 0.3 of tube length; filaments straight, connate, puberulent, 1.6-3.1 mm long; anthers with incurving tails, 2.6-3.6 by 0.5-0.7 mm, 3.7-6.2 times as long as wide. Disk of 5 separate lobes, oblong to narrowly triangular, apex rounded to acuminate, 0.6-1 mm long. Ovary 0.9-1.1 mm long; style 1.5-3.3 mm long; style head 0.6-0.8 mm long. Fruit unknown.
Life form perennial
Growth form shrub
Growth support climber
Foliage retention -
Sexuality hermaphrodite
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Environment

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Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Parsonsia marginata world distribution map, present in Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:80959-1
WFO ID wfo-0000264827
COL ID 764QV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Parsonsia laevis Parsonsia marginata