Helicia moluccana Blume

Species

Angiosperms > Proteales > Proteaceae > Helicia

Characteristics

Tree (6-) 15-25 m, buttressed up to 1.4 m high when old; tips of the branchlets densely covered with short, distinctly appressed, rufescent hairs, glabrescent. Leaves oblong or elliptic-oblong or obovate-oblong, sometimes lanceolate-oblong, rarely obovate, shortly obtusely acuminate at the apex, cuneate and ± decurrent into the petiole, very young ones laxly clothed on both faces with fine, appressed, rufescent hairs, glabrescent except the midrib which is mostly more densely and for a longer time hairy, subcoriaceous to coriaceous, dark olivaceous-or brownish and shining above when dry, +-dark brown and dull beneath, entire or occasionally with few incurved teeth in the upper half, rarely ± deeply uncinate-serrate along the whole margin, (9-) 12-23(-27) by (4-)5-8(-11) cm; midrib prominent on both faces specially beneath, nerves 8-10(-12) pairs, curved and ascending along the margin, not or obscurely inarching, slightly prominent on both faces, reticulations very dense, minutely raised on both faces; petiole stoutish, 2-5(-10) mm, ± winged, very thickened and rough at the base, finally glabrescent. Racemes mostly solitary, axillary or ramiflorous, rather slender, dense, 7-15 cm, laxly to subdensely appressedly rufous-hairy; rhachis 1-1.5 mm. Bracts ovate-acuminate, acute, 1 mm, +-caducous. Pedicels 2-4 (rarely up to 5) mm, mostly in twos, connate at the base, rather slender. Perianth whitish or greenish or yellowish, fragrant, slender, 7-8(-9) mm, mostly sparsely, appressedly rufous-pilose, tube 0.5 mm diam., limb ellipsoid, 1.5 mm diam. Anthers 1.8-2.5 mm. Disk glands orange-red when fresh, broadly ovate to suborbicular, truncate and it minutely crenulate or retuse, free, very close, seemingly connate. Ovary glabrous; style slender. Fruit obliquely ellipsoid or ovoid, sometimes somewhat compressed laterally, ± apiculate, attenuate to nearly rounded at the base, 2.5-3(-3½) by 2-2½(-3) cm, pericarp leathery, ± hard, 2-3 mm, lateral ridge manifest; pedicel 5-6 mm.
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Growth form tree
Growth support free-standing
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Sexuality hermaphrodite
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Environment

In primary rain-forest, rare and scattered, but occasionally common, from 150-800 m in the Moluccas, in New Guinea from 300-1750 m. FL Jan.-Dec., fr.--03.
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Hardiness (USDA) 10-12

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Cultivation

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Distribution

Helicia moluccana world distribution map, present in Kenya, Kyrgyzstan, Malaysia, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:704451-1
WFO ID wfo-0001107098
COL ID 3K7JB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helicia amboinensis Helicia obtusidens Helicia moluccana Roupala moluccana