Chisocheton tomentosus

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• Synonymy

Chisocheton tomentosus

Content

• Description
• Distribution
• Notes
• Citation

Description

Pachycaul tree to 21 m; bole to 20 cm diam., unbranched or sparsely and fastigiately branched, often from near base, sometimes slightly fluted below, knobbled or with small stiltroots, taprooted at least when young. Bark blackish brown, smooth to weakly fissured, with conspicuous scutellar cicatrices to 5 cm wide and long above; inner bark deep orange-yellow to brownish; sapwood ivory to fawn; pith wide, soft, white. Leaves to 2 m long, in terminal rosettes, maturing in flushes, pinkish red when young, imparipinnate, especially on saplings, or pseudogemmulate, pseudogemmula sometimes falling without further development, petiole 10–20 cm, terete, base swollen, massive, woody; rachis often angled, brown-tomentose. Inflorescences borne in upper axils, appearing when fruit on old infructescences maturing (female trees), to 90 cm; axis massive, tough with flowers forming a terminal head to 45 by 10 cm, sometimes with short branches to 7 cm, composed of fascicles of sweetly scented pedicellate flowers, brownish pink in bud. Petals 5 or 6(–10), 26–37 mm long, linear-spathulate, creamy red-striped without, white flushed pink within, waxy, concave distally, densely pilose without. Staminal tube cylindrical, slightly widened at mouth, villous with downward- pointing hairs within lower 3/4, sometimes sparsely hairy without especially just below lobes, lobes c. 10–15, often irregularly bifid, shorter than anthers; anthers 7–13(–15), 4.5–5 mm long, boat-shaped, locellate, glabrous, basifixed. Ovary (4–) 5– (6–)locular; style cylindrical, sparsely pubescent; stylehead spherical. Capsule to 7 cm diam., subglobular, (4–) 5– (6–)locular, golden brown velvety with deciduous irritant hairs. Seeds 3–5, to 4 cm long; sarcotesta white.

Distribution

Asia-Tropical: Malaya (Peninsular Malaysia present), Sumatra (Barisan Range present

Malesia: Sumatra (Barisan Range, De Vogel 2750, L), Malay Peninsula

Notes

The type is a drawing prepared for Roxburgh when the tree was at Calcutta Botanic Garden and is reproduced in

Citation

M.Roem. 1846 – In: Synops. Monogr.: 96

Mabb. 1989 – In: Tree Fl. Malaya: 238.

Hiern 1875 – In: Hook, f., Fl. Brit. India 1: 543

Curtis 1894 – In: J. Str. Br. Roy. As. Soc.: 22

C.Don 1831 – In: Gen. Syst.: 681

C.DC. 1878 – In: DC., Monogr. Phan. 1: 458

King 1895 – In: J. As. Soc. Beng.: 29

Roxb. 1832 – In: ed. Carey, Fl. Ind. 1: 394

Ridley 1922 – In: Fl. Malay Penins.: 388

Ridley 1922 – In: Fl. Malay Penins.: 389

Burkill & Hend. 1925 – In: Gard. Bull. Str. Settl.: 357.

Curtis 894 – In: J. Str. Br. Roy. As. Soc.: 21.

Whitmore 1975: Trop. Rain For. Far East: t. 2.7.

Walp. 1842 – In: Rep.: 427