Hydnocarpus subfalcata Merr.

Species

Angiosperms > Malpighiales > Achariaceae > Hydnocarpus

Characteristics

Tree 5-15(-20-30) m; young branchlets ± densely rusty-pubescent. Leaves ovate-oblong or oblong, rarely ovate or lanceolate-oblong, sometimes subfalcate, ± abruptly subcaudate-acumi-nate, ± inequilateral at the base, one side cuneate, the other subrotundate, subcoriaceous, glabrous and shining above, pubescent at the midrib, dull and laxly covered with minute, appressed, simple hairs (well visible only with a lens) all over the under surface, more distinctly pubescent on the midrib and primary nerves, 7½-14(-16) by 3-6 (-8) cm, obscurely and distantly serrate or mostly ± entire; midrib and nerves little raised above, very prominent beneath, veins ± transverse, reticulations ± obscure; petiole ± pubescent, 5-7(-10) mm. ♂ Cymes obscurely branched, c. 5 mm peduncled, all over finely rusty-pubescent, few-flowered. Pedicels rather slender, 3-5(-8) mm. Sepals ovate, 2-3 by 2 mm, the inner 2 slightly smaller. Petals ovate-orbicular, membranous, ciliate, elsewhere glabrous, 2-2½ mm diam.; scales orbicular, pilose on both sides, 1.5 mm diam. Filaments subulate, thick, glabrous, 1½ mm. ♀ Flowers 2-4, very shortly peduncled. Pedicels 6-8 mm. Sepals and petals similar to those of the ♂ flowers, but slightly larger 4-5, resp. 3-3½ mm long. Staminodes subulate-triangular, 2 mm; anthers 0. Ovary ovoid, rufous-tomentose; stigmas 3-5, rather narrow, radiate. Fruit ovoid, rarely subglobose, always ± attenuate at apex and base, obtuse, c. 3½(-6) by c. 2.5 cm, inside and outside rusty-tomentose, with 2-4(-7) seeds. Seeds ovoid, variously compressed, c. 1.5 by 1 cm; pericarp rather thin, fragile.
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A small tree. It grows 5-15 m tall. The young branches have rusty hairs. The leaves are oval to oblong and can be curved. There are 2-4 flowers in a group. The fruit is an oval capsule. It is hairy.
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Growth form tree
Growth support free-standing
Foliage retention evergreen
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Mature height (meter) 5.0 - 15.0
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Environment

In thickets and forests on level, never inundated clayey ground, 15-25 m. Fl. March-May, fr. Oct.-Dec.
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It is a tropical plant. It grows on clay soils.
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Hardiness (USDA) 8-12

Usage

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Cultivation

Plants can be grown by seeds.
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Distribution

Hydnocarpus subfalcata world distribution map, present in Indonesia, Malaysia, Philippines, and Russian Federation

Conservation status

Hydnocarpus subfalcata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:365644-1
WFO ID wfo-0000926474
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BDTFX ID -
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hydnocarpus ovoidea Hydnocarpus quadrasii Hydnocarpus setumpul Hydnocarpus subfalcata