Hypserpa laurina Diels

Species

Angiosperms > Ranunculales > Menispermaceae > Hypserpa

Characteristics

Woody climbers, entirely glabrous (bracts and axillary buds sometimes puberulous). Leaves: petioles'1-1.5(-3) cm; lamina elliptic to oblong-elliptic, 7-12 by 3-4.5 cm, apex obtuse, often minutely emarginate, base broadly cuneate to rounded, ± 5-nerved; lateral nerves 2-3 pairs; stiffly papyraceous. Male inflorescences thyrsoid, very lax, 4-15(-20) by l-4(-9) cm. Male flowers green or white on pedicels 1-5 mm long; sepals 7-9, outer 2-3 about 1 mm long, inner, 5-6 ± rotund, 1.5-2 mm Ø; petals (rarely 5-)7-9, ± obtriangular 0.75-1 mm long; stamens 11-15, free (but with occasional connate pairs). Female inflorescences and flowers unknown. [Infructescence 6-8 cm long, teste DIELS.] D Drupes red on pedicels about 5 mm, broadly obovate in outline, 12 by 9 mm, 8 mm thick. Endocarp dorsally obscurely rugose, laterally convex and smooth.
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Slender climber, entirely glabrous or almost so, branches pendulous. Young stems powdery-glaucous. Leaves: petiole 1–3 cm long; lamina elliptic to oblong-elliptic, 7–13 cm long, 3–5 cm wide, sometimes lobed at base when juvenile, with 1 or 2 pairs of basal veins, often drying reddish brown; minute reticulation raised on both surfaces. Inflorescence thyrsoid, very lax, to c. 20 cm long. Male flowers: pedicel 1–5 mm long; sepals 7–9, yellowish, inner ones ± rotund and 1.5–2 mm long; petals usually 7–9, obtriangular, 0.75–1 mm long; stamens 11–15, free, 1–1.25 mm long. Female flowers: carpels 3, 1 mm long. Drupes broadly obovate in outline, 10–12 mm long, red; endocarp with a broad, rugose, dorsal band, laterally perforate.
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Growth form shrub
Growth support climber
Foliage retention deciduous
Sexuality dioecy
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Photosynthetic pathway c3

Environment

Grows in rainforest, mesophyll vine forest and scrub, in various soils including coarse sandy clay and sandy loam, to 900 m alt.
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Rain-forest and Imperata fields.
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Hardiness (USDA) 8-12

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Images

Hypserpa laurina unspecified picture

Distribution

Hypserpa laurina world distribution map, present in Australia, Indonesia, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:580944-1
WFO ID wfo-0001273800
COL ID 3P3DF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hypserpa parvifolia Selwynia laurina Hypserpa laurina