Parsonsia velutina R.Br.

Species

Angiosperms > Gentianales > Apocynaceae > Parsonsia

Characteristics

Branchlets sparsely brown tomentose. Leaves opposite; petiole 1.1-3.5 cm long; blade papery to subcoriaceous, ovate to elliptic, 5-12.7 by 2.7-7.8 cm, 1.3-2.2 times as long as wide, apex acuminate, base rounded to cordate, velutinous beneath, pubescent on midrib to all over above, 5-9 pairs of secondary veins, strongly ascending, tertiary venation reticulate. Inflorescence of axillary cymes, flowers clustered at tips, 3.6-14 cm long; brown appressed velutinous; peduncles 2.2-11.3 cm long; pedicels 1.7-2.5 mm long. Sepals linear, reflexed, 2-3 by 0.6-1 mm, 2-4.8 times as long as wide, appressed brown velutinous. Corolla yellowish green, buds ovoid, lobes slightly overlapping, open corolla campanulate; tube 1.5-2.3 mm long, 0.6-0.9 times as long as sepals, 0.9-1.3 times as long as lobes; lobes triangular, 1.4-2.4 by 1.1-1.3 mm, apex acute; pubescent on lobes except on margin and upper part of tube outside, bearded in throat and in 5 rows down tube inside. Stamens inserted at 0.4-0.6 mm from corolla base which is 0.2-0.3 of tube length; anthers oblong, tails acute to obtuse, 1.5-2.6 by 0.5-0.6 mm, 3-4.8 times as long as wide. Disk of 5 separate lobes, oblong, each lobe deeply bifid and then each half bifid or 3-dentate again, 0.8-1 mm long. Ovary 0.8-0.9 mm long; style 1.1-1.4 mm long; style head 0.7-0.8 mm long. Fruit linear, densely brown pubescent, 8.2-15 by 0.5-1 cm. Seeds: grain 8.8-14.3 by 1.6-2.4 mm; coma 2.3-3.4 cm long.
More
Vine to 8 m high or more; branchlets pubescent, brown; new growth velvety; latex clear. Juvenile leaves sinuately lobed, cordate. Adult leaves soft; petiole 10–41 mm long, pubescent; lamina ovate or oblong-ovate, 3–19 cm long, 2–9 cm wide, cordate at base, acuminate to a fine point apically, softly pubescent to scabrous on upper surface, softly densely pubescent on lower surface with fawn or brown hairs, sometimes glabrescent; secondary veins 4–7 pairs, prominent, raised below, net veins distinct below; domatia absent. Inflorescence of axillary, many-flowered panicles; flowers in 2–6 dense clusters per panicle; axes pubescent; peduncles 0.2–13 cm long, often bifurcating or trifurcating at apex; pedicels 0.5–2.5 mm long. Calyx lobes c. 2 mm long, pubescent. Corolla cream or brown, pubescent externally; tube cylindrical, 1.3 mm long; lobes erect, ovate, 2–2.5 mm long, bearded internally at base. Anther cone c. 2 mm long, not exserted; filaments straight, 0.4 mm long; anther tails divergent. Nectary scales discrete, thick, with 2 or 4 apical lobes. Capsules fusiform, slender, 7–16 cm long, 0.4–1.4 cm diam., shortly pubescent to velvety, sometimes glabrescent.
Life form perennial
Growth form
Growth support climber
Foliage retention evergreen
Sexuality hermaphrodite
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Mature height (meter) 8.0
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Environment

Grows in tropical and subtropical rainforests, and in drier rainforests and vine thickets.
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Hardiness (USDA) 8-12

Usage

Uses poison
Edible -
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Cultivation

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Images

Parsonsia velutina unspecified picture

Distribution

Parsonsia velutina world distribution map, present in Australia, Hong Kong, Papua New Guinea, and Timor-Leste

Identifiers

LSID urn:lsid:ipni.org:names:81017-1
WFO ID wfo-0000264900
COL ID 4DTHM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Parsonsia velutina Parsonsia quinquebullata Echites velutinus Parsonsia nesophila