Volume 14 > Part 4 > Year 2020 > Page 544 > Nymphaeaceae > Barclaya

1. Barclaya longifolia Wall.wfo-0000560106

Trans. Linn. Soc. London 15: 443. t. 18. 1827; Hook.f. & Thoms., Fl. India 1: 246. 1855; in Hook.f., Fl. Brit. India 1: 115. 1875; Ridl., Fl. Malay Penins. 1: 118. 1922; Mitra in Nayar et al., Fasc. Fl. India 20: 2. 1990. & in Shama et al., Fl. India 1: 443. 1993. Fig. 1. Plate LXIII: B.

Accepted Name : This is currently accepted.

Description : Leaves with 6–25 cm long, puberulent to glabous petioles; lamina oblong, membranous, below puberulent to glabrous, 12–28 by 2–6 cm, base cordate, margin undulate, apex obtuse. Flowers with 10–35 cm long peduncles, 4–6 cm in diam., purplish, submerged to emerging. Sepals 5, linear-oblong, 1.5–3.5 by 0.5–0.8 cm, spreading, apex obtuse, midrib distinct distally and extended into a 3–5 mm long strap, adaxially purplish, abaxially greenish purple. Petals 8–10; corolla tube purplish, lobes broadly to narrowly oblong, abaxially green, adaxially purplish. Stamens 2–2.5 mm long. Fruit globose, 1–1.5 cm in diam. Seeds globose, ca 1 mm long.

Thailand : NORTH-EASTERN: Nong Khai (Bang Son, Phuthok noi, Phu Wua WS), Sakon Nakhon (Phu Phan NP); EASTERN: Ubon Ratchatani (Huai Yang, Pha Taem NP); CENTRAL: Saraburi; SOUTH-EASTERN: Chanthaburi, Trat, (Salak Kok, Ko Chang); PENINSULAR: Surat Thani (Nasan), Phangnga (Takuapa), Satun (Tarutao Island, Pulau Langkawi).

Distribution : India, Myanmar (type), Cambodia, Malay Peninsula.

Ecology : Aquatic plant in shaded, clear and slow-moving streams. Flowering: June; fruitting: in December.

Vernacular : Sai plalai (ไส้ปลาไหล), lin fan (ลิ้นฟาน), karak chang (การักช้าง).

Uses: Barclaya longifolia is a popular aquarium plant in Europe and N America due to color variation of the blade.