Dysoxylum cumingianum
Content
Description
Tree 5–25 m; bole to 28 cm diam., sometimes fluted and buttressed, buttresses to 50 cm out, 3 cm thick.
Bark straw-coloured to dull brown, pustular; inner bark and sapwood yellowish; heartwood red.
Leaves 30–70 cm, imparipinnate, 4–6-jugate, drying yellowish; petiole 5–10(–18) cm, 3–4 mm diam., flattened or grooved adaxialiy, ± densely pubescent, base swollen; rachis 2–3 mm diam., terete to grooved adaxialiy (in sicco), pubescent.
Flowers white.
Petals 4, 8–10(–15) mm long, linear-oblong, acute, imbricate at least at apices, glabrous or sparsely hirtellous at apices.
Staminal tube glabrous with 8 variously bilobed appendages; anthers 8, c. 1 mm long, oblong, subsessile, alternating with appendages.
Ovary pubescent, 4-locular; style hairy in proximal half; stylehead discoid, sometimes with distinct annulus.
Fruits to 3 cm long, ovoid to top-shaped, obscurely 4-angled, often conspicuously lenticellate, bright red-purple, carpels white within, dehiscing starwise.
Seeds (3 or) 4, to 2 cm long, 8 mm wide, plano-convex, hanging by funicles from carpel walls, (?) aril whitish, testa black.
Distribution
Asia-Tropical: Lesser Sunda Is. (Bali present); Sulawesi (Sulawesi present), Bacan present, Halmahera present, Lan Yü present, Luzon present, Mindanao present, Mindoro present, Panay present, Polillo present, Samar present, Siargao present
Taiwan (Lan Yü); central Malesia:Philippines (Luzon, Mindanao, Mindoro, Panay, Polillo, Samar, Siargao), Celebes, Lesser Sunda Islands (Bali), Moluccas (Bacan, Halmahera)
Taxonomy
Dysoxylum cumingianum and D. cauliflorum are vicariant species and closely allied though the latter may be readily distinguished in the field by its cauliflorous inflorescences, while it differs also in the staminal tube and in the elenticellate fruit.
Citation
Chang 1978 – In: Quart. J. Chin. For.: 73.
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 365.
Elmer 1937 – In: Leafl. Philipp. Bot.: 3382.
Briq. 1935 – In: Mém. Inst. Nat. Genev.: 48
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 365.
Guzman et al. 1986 – In: Guide Philipp. Fl. Fauna: 341.
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 362
Merr. 1906 – In: Philipp. J. Sc.: 72
Vidal 1885: Phan. Cuming.: 101
Li 1977: p. 547. – In: Fl. Taiwan: t. 721
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 365.
Kaneh. 1936: Form. Trees, rev. ed: 326: t. 282
Vidal 1886: Rev. Pl. Vasc. Filip.: 81
Li 1963: Woody Fl. Taiwan: 397: t. 146