Volume 4 > Part 1 > Year 1984 > Page 75 > Leguminosae-Caesalpinioideae > Caesalpinia

11. Caesalpinia digyna Rottlerwfo-0000214253

Ges. Naturf. Freunde Berlin Schrift. 4: 200. t. 3. 1803; Baker in Hook.f., Fl. Br. Ind. 2: 256. 1878; Gagnep. in Fl. Gén. I.-C. 2: 182. 1913; Craib. in Fl. Siam. En. 1: 501. 1928; Back. & Bakh. f., Fl. Java 1: 546. 1964; Hattink, Reinwardtia 9: 28. 1974; Vidal & Hul Thol, Bull. Mus. natn. Hist. nat. Paris 395 (Bot. 27): 94. 1976; Vidal in Fl. C.L.V. 18: 41. Pl. 6, 1–7. 1980. Fig. 19: 1–8.

Accepted Name : Moullava digyna (Rottler) Gagnon & G.P.Lewis
PhytoKeys 71: 67. 2016.

Description : Climber or scandent shrub, armed with recurved prickles. Stipules linear, awl-shaped, ca 2 mm, caducous. Leaves: rhachis 15–20 cm; pinnae 8–12 pairs; leaflets 8–12 pairs, opposite, subsessile, oblong, 8–12 by 3–4 mm, rounded, slightly emarginate and mucronulate at the tip, unequal fat the base. Racemes, axillary and. combined into terminal panicles. Bracts awl-shaped, ca 5 mm, caducous. Pedicels slender, spreading, 15–25 mm, glabrous, not jointed above the base. Sepals glabrous, dotted, the lowest one hood-shaped. Petals yellow, the standard constricted towards the midd1e, hairy inside and along the margins of the claw. Filaments densely hairy. Ovary glabrous or somewhat hairy on the sutures, 2–4-ovulate. Pods indehiscent, subsessile on the persistent receptacle, clliptic-oblong in outline, 35–50 by 15–20 mm, constricted between the seeds, thickened on both sutures. Seeds (1–)2–3(–4), subglobose, 12 by 9 mm, dark brown.

Thailand : NORTHERN: Chiang Mai, Mae Hong Son, Phrae; NORTH-EASTERN: Loei, Khon Kaen; EASTERN: Nakhon Ratchasima; CENTRAL: Krung Thep Maha Nakhon (Bangkok); SOUTH-EASTERN: Prachin Buri, Chonburi, Chanthaburi; SOUTH-WESTERN: Kauahanaburi, Ratchaburi, Phetchaburi, Prachuap Khiri Khan; PENINSULAR: Surat Thani, Nakhon Si Thammarat, Pattani.

Distribution : Ceylon, India (type), Nepal, Burma, Laos, Cambodia, S Vietnam, China (Hainan), Malay Peninsula and Archipelago.

Ecology : In clearings, thickets, forests fringes, open and dry places, up to 700 m alt. Flowering: July–October; fruiting: November–January.

Vernacular : Kamchai (กำจาย); nam chai (หนามจาย), ba ben (บ่าเบน), khi khak (ขี้คาก), ma nam chai (มะหนามจาย)(Northern); nam han (หนามหัน), nam daeng (หนามแดง), khi raet (ขี้แรด)(Southwestern); ching chai (จิงจาย), ngai (งาย) hai (ฮาย), hai pun (ฮายปูน)(Peninsular); ta-lu-mae (ตาลู่แม้), sue-ki-pho (สื่อกีพอ)(Karen-Northem).