Volume 14 > Part 4 > Year 2020 > Page 565 > Rhamnaceae > Sageretia

Sageretia filiformis (Roth) G.Donwfo-0001284967

Gen. Hist. 2: 29. 1832.— Rhamnus filiformis Roth, Nov. Sp. Pl.: 153. 1821.

Accepted Name : This is currently accepted.

Description : Scandent or scrambling shrub, 3–5 m tall; branchlets glabrous, bark smooth, ash-grey to greyish brown, usually terminating with a straight thorn. Leaves alternate; lamina ovate, elliptic or ovate-oblong, 4–10 by 1.5–4 cm, base rounded to obtuse or slightly cordate, apex acute to acuminate, margin finely serrate, chartaceous, adaxially glabrous, abaxially pubescent when young, glabrescent, venation pinnate, midrib adaxially slightly impressed, abaxially prominent, lateral veins 7–9 on each side, tertiary veines reticulate. Inflorescences 5-15 cm long. Flowers sessile, ca 2 mm in diam. Hypanthium cup-shaped, densely tomentose outside. Sepals triangular, ca 1 mm long. Petals spathulate, slightly hooded, yellowish green, 0.5–0.7 mm long, apex emarginate. Disc yellowish green, lining hypanthium, glabrous. Ovary superior, glabrous, 0.7–1 mm long; style united; stigma capitate to slightly 2-lobed. Drupe obovoid, ca 5 mm in diam., glabrous, reddish brown.

Thailand : NORTHERN: Chiang Rai (Mae Sai, Doi Tung).

Distribution : Pakistan, India, Nepal (type), Myanmar, Indonesia.

Ecology : Scattered on open, rugged limestone, 550 m alt.