Castanopsis buruana

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Castanopsis buruana

Description

Tree, up to 20 m by 10-30 cm ø; Branchlets initially densely set with brownish erect stellate hairs, later subglabrous, greyish black, terete, densely minute-lenticellate; Leaves thin-coriaceous, elliptic-lanceolate, rarely ovate-elliptic, (7-) 10-15(-24) by (2½-)4-5(-8) cm, discolorous, above glabrous, glossy, underneath with a dense cover of chocolate-brown fimbriate scales and erect stellate hairs; Fruit ovoid-conical, more or less rounded-triangular in cross-section, 1-1½ cm;

Distribution

Asia-Tropical: Borneo present (Sabah present); Maluku (Maluku present); Sulawesi (Sulawesi present), Batjan present, Bum present, Ceram present, Morotai present, Obi present, Sula present
Malesia: Borneo (Sabah, once), Celebes (fairly common), Moluccas (Sula, Bum, Batjan, Morotai, Obi, Ceram).

Notes

Near to C. acuminatissima, but different by its somewhat larger leaf with entire margin, sulcate petiole, and by its cupule set with spines arranged in 4-5 curving rows.

Citation

A. CAMUS 1930: Chat: 475: t. 72: 13-14
SOEPADMO 1968 – In: Reinwardtia: 387
King 1889: p. 107. – In: Ann. R. Bot. Gard. Calc.: t. 101B