Beilschmiedia membranacea Gamble

12. Beilschmiedia membranacea Gamble View in CoL — Map 5 View Map 5

Beilschmiedia membranacea Gamble (1910) View in CoL 150; Ridl. (1924) 86; Kosterm. (1964) 138; Kochummen (1989) 121; I.M. Turner (1995) 276; Tetsana (2005) 44. — Type (selected here): King’s collector 10928 ( lectotype K [K000734864]; isolectotype K [K000768681] and picture at KEP), Malay Peninsula, Perak.

Trees 4.5–6.5 m tall, dbh 7.5–10 cm. Twigs slender, 1.4–1.5 mm diam, flattened in cross-section, whitish, densely hairy; terminal leaf buds elliptic to lanceolate, 2.3–3 mm long, velutinous; hairs long, straight, appressed, light brown. Leaves alternate, blades elliptic or ovate, 8.5–20 by 5–8.5 cm, membranous, drying greenish, shiny; apex obtuse or acute to acuminate; base cuneate to rounded; secondary veins 8–11 pairs, tertiary veins scalariform to reticulate; upper surface glabrous, shiny, midrib sunken, densely hairy, secondary veins raised, tertiary veins distinct; lower surface sparsely hairy, midrib raised, secondary veins raised, tertiary veins distinct. Petiole 5–10 mm long, half terete, densely hairy. Inflorescence 6–14 mm long, sparsely hairy, enclosed at base by orbicular bracts; bracteoles unknown. Flowers unknown. Fruit (dried) oblong, 11–25 by 5.8–15 mm, apex rounded, base rounded to acuminate, surface smooth, glabrous, red when mature. Stalk when mature slightly swollen to 3.2 mm diam, 5–15 mm long, constricted below apex.

Local names — Peninsular Malaysia: Medang tandok or Medang tanah.

Distribution — Peninsular Thailand and Peninsular Malaysia.

Ecology — Growing in evergreen forest, at 100–900 m altitude.

IUCN Conservation Assessment — Critically Endangered (CR B2ab(ii,iii)). This species was collected three times between 1886 and 1929 in parts of Peninsular Thailand and Malaysia that have been much logging and modification of the landscape since that time.An analysis of the EOO and the AOO both gives the assessment of Critically Endangered. Therefore, it is listed as Critically Endangered here.

Phenology — Flowering unknown; fruiting: July to September.

Notes — There are two sheets of the type gathering of this species at K. The specimen with the fruit attached to the specimen is chosen here as the lectotype .

This species is morphological closely related to B. glabra and B. wallichiana . The difference between them are set out in Table 2.