Aglaia rivularis Merr.

Species

Angiosperms > Sapindales > Meliaceae > Aglaia

Characteristics

Small tree up to 15 m. Bole up to 10 m, up to 50 cm in diam. Branches often project-ing horizontally from the river bank over the water. Bark smooth, brown or whitish-brown; inner surface of bark brown; middle bark reddish-brown; inner bark reddish-brown or pale brown, cambium pink or yellowish–brown; sap wood pink or almost white. Twigs densely covered with reddish–brown, orange brown or pale brown peltate scales which often have a short fimbriate margin. Leaves simple, 6.5–24 by 1–4 cm, lanceolate, tapering to an acuminate apex, tapering to a cuneate base; with numerous or densely covered with scales like those on the twigs on the midrib below, few on the rest of the lower leaflet surface, sometimes numerous when young; veins 10–17, reticula-tion visible or occasionally subprominent below; petiole 1–2 cm, densely covered with scales like those on the twigs. Inflorescences up to 6 in the axils of the leaves of the api-cal shoots, 12–23 cm long, 6–12 cm wide; peduncle 2.5–4.5 cm, peduncle, rachis and branches densely covered with scales like those on the twigs, or with a longer fimbriate margin. Male and female flowers similar, 1–2 mm long, 1.5–2.5 mm wide; pedicel 0.5–3.5 mm, densely covered with peltate scales which have a fimbriate margin. Calyx densely covered with peltate scales on the outside. Petals 5 (or 6). Staminal tube 1–1.3 mm long, 0.9–1.5 mm wide, thickened inside below the bases of the anthers, aperture 0.5–0.7 mm, margin lobed; anthers 5, c. 0.3 mm long and wide, ovoid, inserted inside the margin of the tube, protruding through the aperture and pointing towards the centre of the flower. Infructescence 2–18 cm long, with up to 20 fruits, peduncle 1.5–4 cm, peduncle, rachis and branches slender and flexible, densely covered with scales like those on the twigs. Fruits 1.5 cm long, 0.8–1 cm wide, ellipsoid, brown, reddish-brown or yellow; fruit-stalks up to 0.8 cm; pericarp reddish–brown, indehiscent. Seed 1, surrounded by an aril.
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A tree. It grows 15 m tall. The trunk can be 50 cm across and without branches for the first 10 metres. Trees are separately male and female. The leaves are long and narrow. The fruit is oval and 1.5 cm long by 1 cm wide. There is a single seed.
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Growth form tree
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Sexuality dioecy
Pollination entomogamy
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Mature height (meter) 15.0
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Environment

It is a tropical plant. It grows in forests along rivers up to 500 m above sea level. It occurs in Kalimantan.
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Along the banks of rivers in riverine forests; growing on sandy soils; at elevations up to 500 metres.
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Usage

UsesWood is used for fence posts (Borneo: Dusun Labuk). The arils are edible.
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The fleshy layer around the seed is eaten.
Uses wood
Edible fruits seeds
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Cultivation

Can be grown by seedlings.
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Conservation status

Aglaia rivularis threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:577292-1
WFO ID wfo-0000524316
COL ID 65S2C
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Aglaia rivularis