Volume 4 > Part 3.3 > Year 2023 > Page 623 > Leguminosae-Papilionoideae > Mucuna

7. Mucuna macrocarpa Wall.wfo-0000186206

[Numer. List: 5618. 1831–1832, nom. nud. ex] Pl. Asiat. Rar. 1: 41, t. 47. 1830; Baker in Hook.f., Fl. Brit. India 2(4): 186. 1876; Kurz, Contrib. Burm. Fl. 3: 245. 1876 & Forest Fl. Burma 1: 379. 1877; Prain, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 66(2): 409. 1897; Gagnep. in Lecomte, Fl. Indo-Chine. 2(3): 317. 1916; T.C.Huang & H.Ohashi in H.L.Li et al., Fl. Taiwan 3: 343. 1977; Thuân in Aubrév. & J.-F.Leroy, Fl. Cambodge, Laos & Vietnam 17: 35. 1979; Tateishi & H.Ohashi, Bot. Mag. Tokyo 94: 95. 1981; Grierson & D.G.Long, Fl. Bhutan 1(3): 686. 1987; Wilmot-Dear, Kew Bull. 39(1): 36. 1984; 42(1): 26. 1987; 47(2): 207. 1992 & Thai Forest Bull., Bot. 36: 119. 2008; P.H.Hô, Câyco Việtnam 1(2): 1185. 1991; R.Sha & Wilmot-Dear in C.Y.Wu et al., Fl. China 10: 212. 2010; Moura et al., Syst. Bot. 41(3): 613. 2016. Plate LXIII: 2.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Woody climber; stems glabrescent. Stipules broadly lanceolate, 1–3 mm long, caducous. Leaves: petioles 7–12 cm long, sparsely to densely pubescent; rachis 3–4 cm long; stipels absent; petiolules 6–11 mm long, pubescent. Leaflets upper surface glabrescent or sparsely pubescent, lower surface densely pubescent; lateral veins 5–6 pairs, not ending into the margin; terminal leaflet elliptic or ovate-elliptic, apex acuminate, base cuneate or rounded, margin entire, 12–15.5 by 8–10.5 cm; lateral leaflets ovate, apex acuminate or apiculate, base rounded-cordate, margin entire, 12.5–14.5 by 8–10.5 cm. Inflorescences cauliferous, pseudoracemose, 17–35 cm long; peduncle 2–3.5 cm long; bracts ovate, 1–2 mm long; sterile bracts absent; bracteoles ovate, 2–4 mm long, caducous. Flowers 5–6.5 cm long; pedicels 12–15 mm long, densely pubescent. Calyx 4-lobed, 10–18 mm long, outside with silver hairs and irritant bristles; tube 7–10 mm long; lobes obtuse-acute, 4–7 mm long. Corolla purple or purplish white; standard whitish green or pinkish white, broadly obovate or obovate-elliptic, 3–4 by 2.5–4 cm, apex obtuse or emarginate, base cordate-auriculate, margin entire without brown hairs at base, middle part without irritant bristles, claw 5–8 mm long; wings dark purple, elliptic-oblong, 5–6 cm long, apex obtuse, base sagittate, margin entire with brown hairs at base, claw 5–8 mm long; keel pale purple or yellowish green, 5.5–7 cm long, apex acuminate or acute, base truncate-hastate, margin entire with brown hairs at base, claw 7–9 mm long. Stamens 5.5–6.5 cm long; vexillary stamen 5–6.5 cm long; staminal tube 4–5 cm long, glabrous; basifixed and versatile anthers bearded. Ovary straight, sessile, 6–10 mm long, densely pubescent, 8–10-ovuled; style 5.5–6.5 cm long, scattered pubescent; stigma capitate, ca 1 mm in diameter, bearded. Pods woody, linear-oblong, compressed, 34–48(–57) by 4–5.5 cm, with brown hairs; marginal wings, irritant bristles and lamellae absent; endocarp septate. Seeds circular-elliptic, compressed, 2.5–3.5 by 2–3 cm, smooth, dull black, monochrome; hilum 6–8 cm long, circling more than 50% of the seed circumference; aril absent.

Thailand : NORTHERN: Mae Hong Son (Doi Pui Luang), Chiang Mai (Doi Chiang Dao WS, Doi Inthanon NP, Doi Suthep, Mae Rim, San Kamphaeng, Om Koi, Mae Taeng), Nan (Doi Phu Kha NP), Lampang (Doi Luang NP), Tak (Namtok Pha Charoen NP), Sukhothai; NORTH-EASTERN: Phetchabun (Nam Nao NP), Loei (Na Haeo, Phu Kradueng, Phu Suan Sai NP, Wang Saphung); EASTERN: Chaiyaphum (Ban Nam Phrom), Nakhon Ratchasima (Khao Laem, Khao Yai NP); SOUTH-WESTERN: Kanchanaburi (Sangkhla Buri, Si Sawat); CENTRAL: Nakhon Nayok; SOUTH-EASTERN: Sa Kaeo, Chon Buri (Si Racha), Chanthaburi (Khao Soi Dao WS).

Distribution : India, Nepal (type), Sikkim, Bhutan, Myanmar, China, Japan, Taiwan, Laos, Vietnam.

Ecology : Evergreen, dry evergreen, oak-pine and lower montain forests, along river or stream; 500–1,900 m alt.

Vernacular : Saba ling (สะบ้าลิง)(Kanchanaburi); yang dam (ยางดำ)(Nakhon Ratchasima); mak ba luem dam (หมักบ้าลืมดำ)(Sukhothai); maba maeng (มะบ้าแมง), haen hao hom (แฮนเฮาห้อม), khuea ma ba (เคือมะบ้า), sa ba phlong (สะบ้าพลอง), kwao khruea dam (กวาวเครือดำ)(Chiang Mai); thao hom (เถาฮ่อม)(Loei).