Plant of the month June,2005
Eng (thai)

 

 

Bauhinia strychnifolia Craib, Kew Bull. 1924, 95. 1924.
Leguminosae - Caesalpinioideae

Description: Tendrilled climber to ca 5 m long. Leaves simple, entire, ovate-oblong, glabrous, 4–15 x 2–8 cm; secondary nerves 3–5, loobed; apex acuminate; base rounded to cordate; petioles 2–3.5 cm long. Inflorescences terminal, elongate racemose, reddish, 15–100 cm long, dense-flowered. Bracts persistent, subulate, ca 1 cm long. Calyx 5, pubescent, cup-shaped, pale pink to reddish, 0.5–1 cm long with short teeth. Petals 5, obovate, pubescent, red to dark red, 1.2–1.5 cm long with short claw. Stamens 3; filaments red, longer than the petals; staminodes 7, unequal. Ovary short stipitate, pubescent, ca 0.7 cm long; style ca 0.7 cm; stigma inconspicuous. Pods dehiscent, lanceolate, 15–16 cm long. Seeds 8–9, oblong, to ca 1.7 cm long.

 

 

Distribution: Endemic to N Thailand, found in Chiang Mai, Lampang, Tak, Sukhothai and Kamphaeng Phet and few northeastern areas, mixed deciduous forest and cultivated areas at low altitude.

Notes: Last updated on 7 December 2016.

Thai name: Kha yan (ขยัน).

Photos: Rachun Pooma (Muang Kamphaeng Phet).

References: 
Larsen, K. and S.S. Larsen. 1984. Leguminosae-Caesalpinioideae. In T. Smitinad & K. Larsen (eds.) Flora of Thailand Vol. 4: 24.