Shorea rugosa

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Shorea rugosa

Description

Medium-sized or large buttressed tree with dark fissured bark. Young twig, panicle, bud, stipule outside, petiole and nervation beneath densely persistently purplish brown scabrid tomentose; Leaf 9-17 by 4-9 cm, oblong-ovate to oblong-obovate; Stipule to 14 by 5 mm, oblong- elliptic, subacute. Petals yellow, oblong, obtuse, densely long gold- brown pubescent on parts exposed in bud. Stamens 15, the 5 inner somewhat longer and reaching the style apex; Panicle to 12 cm long, terminal or axillary, lax, terete or slightly compressed; Ovary and stylopodium conical, densely pale grey pubescent in the distal half, glabrous at base;

Distribution

Asia-Tropical: Borneo present, Melawi in W. Borneo present, Puruktjau and Lower Dayak in S. Borneo present, S.W. Sabah present, W. Sarawak present
Malesia: Borneo (Puruktjau and Lower Dayak in S. Borneo, Melawi in W. Borneo, W. Sarawak to S.W. Sabah).

Notes

Some collections from South and South- East Borneo bear larger leaves and closely resemble S. furfuracea Miq. (q.v.) a Sumatran species that may prove, when flowers are collected, to be conspecific.

Citation

Brandis 1895 – In: J. Linn. Soc. Bot. p 96
Heim 1968: Man. Dipt. Brun. p 118
Ashton 1964: Man. Dipt. Brun: 218. f. 16
Sym. 1933: p. 132. – In: Gard. Bull. S. S. pl. 35
Meijer & Wood 1964 – In: Sabah For. Rec. p 144
Merr. 1921: En. Born. p 406