Phytocrene bracteata

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Phytocrene bracteata

Description

High climbing liana; Branchlets ± deeply striate, setose and minutely prickly in younger parts. Leaves broadly ovate, often 3-lobed and obscurely dentate then, apex acute, base cordate, coriaceous, glabrous and a little asperulous above, the nerves excepted, densely covered all over the undersurface with short brownish hairs and soft to the touch, and the nerves moreover set with bristle-like stiffer hairs beneath, 10-20(-25) by 7-15(-20) cm, 7 pairs of basal palmate nerves and 2-3 pairs of upper nerves, curved-ascending, slightly sunken above, prominent beneath, reticulation low though distinct on the undersurface; Seed testa sparsely and shallowly pitted.

Distribution

Asia-Tropical: Borneo; Malaya (Peninsular Malaysia present); Sumatera (Sumatera present); Thailand (Thailand present), Eastcoast present, Lingga Arch present, Nakawn Sritamarat present, Palembang present, Surat present
Thailand (Surat, Nakawn Sritamarat), in Malesia: Sumatra (Eastcoast, Palembang), Malay Peninsula, Lingga Arch., possibly in Borneo.

Notes

All investigated Bornean specimens apparently belonging to P. bracteata bear immature inflorescences, or are sterile, and could possibly belong to P. borneensis.

Citation

SLEUM. 1969 – In: Blumea: 238
Wall. 1970 – In: Fl. Thail.: 91
DAHL 1952 – In: J. Arn. Arb.: 275
Wall. 1832: Cat.: n. 4947
WALP. 1842 – In: Rep.: 98
Merr. 1921: En. Born.: 357
BAILL. 1873 – In: DC., Prod. 17: 12
GRIFF. 1854: Ic.: t. 487 (fl.♀) & t. 488 (fr.).
BAKER f. 1924 – In: J. Bot.: Suppl. 21
BECC. 1877 – In: Malesia: 127
MAST. 1875 – In: Hook.f., Fl. Br. Ind. 1: 592
Ridl. 1922 – In: Fl. Mal. Pen.: 432
Merr. 1929: Pl. Elm. Born.: 172