Volume 14 > Part 4 > Year 2020 > Page 598 > Vitaceae > Ampelocissus

11. Ampelocissus rugosa (Wall.) Planch.wfo-0000531579

Vigne Amer. Vitic. Eur. 8: 371. 1884; in A.DC. & C.DC., Monogr. Phan. 5(2): 376. 1887; D.G.Long & Rae, Fl. Bhutan 2(1): 151. 1991; B.V.Shetty & P.Singh, Fl. Ind. 5: 258. 2000; W.J.Kress et al., Contr. U.S. Natl. Herb. 45: 393. 2003; Trias-Blasi, Fl. Nepal Vitaceae: Webedition 1. 2017.— Vitis rugosa Wall. in Roxb., Fl. Ind. 2: 480. 1824.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Climber. Stem erect, cylindrical to slightly flattened, to 6 mm diam., ridged, hairy with pale arachnoid hairs becoming floccose; tendrils bifurcate, borne beside inflorescence at tip of a common peduncle, tendrils peduncle straight 6–8 cm long, then bifurcating and each branch 8–10 cm long, hairy as stem. Leaves simple; petiole 20–80 by 2 mm, densely hairy with arachnoid hair and multicellular flattened hair 0.2–0.4 mm long; leaf blade cordate, 10–17 by 10–14 cm, base cordate, margin dentate, apex acute, adaxial side densely hairy with multicellular flattened hairs 0.2–0.4 mm long and very scattered pale arachnoid hair, abaxial side densely cinnamomeus arachnoid and with multicellular flattened hairs to 0.5 mm long and veins protruding; 5 main veins with outer-most basal vein bordering sinus, 5–7 pairs of secondary veins. Inflorescence divaricate, umbellate cyme, bearing a tendril, pedicels arising from same point at end of ultimate axis; common peduncle 3–12 cm by 1–2 mm, primary floral peduncle 20–25 by 2 mm, densely hairy with hairs as in petiole, pedicel 1–2 mm long, hairy with multicellular flattened hairs 0.1–0.2 mm long. Buds oblong, 1.5–2 by 1.25–2 mm, apex mostly truncate. Calyx cupuliform, entire, sinuate, 0.5–0.75 by 1.25–2 mm, puberulent. Petals 5 (–6), broadly ovate, 1.5 by 0.75–1 mm, spreading at anthesis, apex cucullate, glabrous to slightly puberulent. Stamens 5 (–6); filaments flattened, 1–1.25 mm long; anthers, orbicular, 0.4–0.6 mm long, medifixed; pollen abundant. Disc with 10 vertical ridges, 0.5 by 1.25–1.5 mm, hairy. Style broadly conical, 0.3 by 0.4 mm; stigma inconspicuous. Fruit unavailable.

Thailand : NORTHERN: Chiang Mai (Doi Chiang Dao).

Distribution : India (lectotype of Ampelocissus nervosa), Nepal (lectotype of A. rugosa), Bhutan, Myanmar.

Ecology : On rocks in open rocky ground, ca 1,800 m alt. Flowering: June.

Uses: Fruits eaten in India (Shetty & Singh, 2000).