Pycnarrhena ozantha Diels

Species

Angiosperms > Ranunculales > Menispermaceae > Pycnarrhena

Characteristics

Young stems and petioles puberulous, later glabrescent. Leaves with petioles (0.8-)1.2-2.3 cm; lamina mostly elliptic to oblong-elliptic, base rounded to cuneate, apex acuminate, 9-22 by 3-8 cm, lateral nerves 6-8 pairs, linking towards the margin, reticulation prominent below, glabrous apart from midrib below. Inflorescences axillary or ramiflorous, fasciculate (or few-flowered racemes teste DIELS). Male flowers on puberulous pedicels 4-7 mm: sepals yel-low, c. 10, glabrous, the larger inner ones rotund, 2-2.5 mm long, sometimes the innermost smaller; petals absent (occasionally 1); stamens 9-15, 1 mm tightly clustered. Female flowers: sepals 12-15; petals absent; carpels 4-6, 1 mm. Drupe yellow to red, on slender 7-15 mm peduncle (incl. carpophore), subglobose, 1.2-2 cm ø, drying shrivelled with the surface forming irregular ridges, glabrous; endocarp bony, slightly curved, subreniform, bearing c. 5 dorsal rows of warty protuberances.
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Woody climber. Leaves: petiole 1.2–2.3 cm long; lamina elliptic to oblong-elliptic, 7–22 cm long, 3–8 cm wide, rounded to cuneate at base, acuminate, glabrous apart from midrib puberulous below. Inflorescences axillary or ramiflorous, fasciculate. Male flowers yellow; pedicel 4–7 mm long, puberulous; sepals 8–10, the larger ones 2–2.5 mm long; petals absent; stamens 9–15, tightly clustered, 0.75–1 mm long. Female flowers: carpels 4–6, 1 mm long. Drupes c. 2–2.5 cm diam., yellow to red, glabrous; peduncle to 1.5 cm long; endocarp thick, bony.
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Growth support climber
Foliage retention deciduous
Sexuality dioecy
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Environment

Forests up to 1600 m. Among limestone outcrops (New Ireland), on coral limestone (New He-brides), on red clay-loam with occasional basic volcanic boulders (New Britain). Fl. March, July, Sept., Dec; fr. Jan., March, Aug., Oct.
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Hardiness (USDA) 9-12

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Cultivation

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Distribution

Pycnarrhena ozantha world distribution map, present in Australia, Papua New Guinea, and Vanuatu

Identifiers

LSID urn:lsid:ipni.org:names:581315-1
WFO ID wfo-0000474063
COL ID 4QLZL
BDTFX ID -
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pycnarrhena papuana Pycnarrhena ozantha