Flemingia lineata (Linneaus 1753:, 1054) Aiton, 1812

Do, Truong Van & Gao, Xin-Fen, 2020, Taxonomic revision of the genus Flemingia (Leguminosae) from Indo-Chinese floristic region, Phytotaxa 429 (1), pp. 1-38 : 22-23

8. Flemingia lineata (L.) W.T. Aiton (1812: 350). Hedysarum lineatum L. (1753: 1054). Type:— INDIA. Linne 921.25 (Holotype,

LINN!)

Shrublets, erect, many branched. Branchlets cylindric, adpressed pubescent when young, becoming glabrous or subglabrous. Petiole 0.7–3 cm long, wingless, pubescent. Stipules lanceolate, 0.6–1 cm long, apex long mucronate, usually persistent. Leaves digitately 3-foliolate; leaflets thinly leathery; terminal leaflet obovate to obovate-oblong, 2–5.5 cm long, 0.8–2 cm wide, both surfaces densely adpressed villous when young, gradually glabrescent, with sparse sessile glands; basal veins 3, lateral veins pinnate, 3–4 pairs; base cuneate, apex obtuse with mucro; lateral leaflets smaller, obliquely elliptic, sessile or subsessile. Inflorescences racemose, lax usually panicled, axillary or terminal; inflorescence axis 2.5–6.5 cm long, slender, villous or clothed with glandular hairs; bracts linear, small, persistent. Flowers 5–7 mm long. Calyx pubescent; lobes lanceolate, longer than tube. Corolla longer than calyx; standard almost orbicular, clawed, auriculate; wings oblong, clawed, one with auricle; keel almost semiorbicular, clawed, with inconspicuous auricle on one side, apex mucronate. Pods 8–12 mm long, 5–8 mm wide, villous. Seeds 2, black, suborbicular, ca. 2 mm in diam.

Iconography citation: — Wei (1995: 320): plate 76, figure 1; Pham (1999: 969), figure 3881.

Ecology and phenology: — Flemingia lineata grows in mountain slopes, plains and roadsides at low attitudes. Flowering starts from December to February, fruiting from February to May.

Distribution: — Myanmar, China, Laos, Thailand, and Vietnam.

Notes: — Flemingia lineata is clearly different from all the other Flemingia species in Indochinese region by having a panicle inflorescence with flowers usually lax.

Representative specimens: — MYANMAR. Prome: Malloon , Irrawaddy river, 1826, N.Wallich 5752 (K001122014) . THAILAND. Ang Thong: 6 March 1971, J.F.Maxwell 71-113 (AAU) ; February 1924, A.F.G.Kerr 8381 (AAU); December 1929, Put 2554 (AAU); Nonthaburi, 9 January 1991, P.Puudjaa 24 (BKF). Chieng Mai: Chiang Dao , 23 December 1994, J.F.Maxwell 1302 (BKF) ; Lampang: Muang Bahn , 28 March 1997, J.F.Maxwell 293 (BKF) . VIETNAM. Vinh Phuc: Phu Lo, Bois 488 (P). Bac Ninh: Dap Cau, Brousmiche 322 (P) . LAOS. Vientiane: Ban Keun , Tixier s.n. (P) ; Ban Hom, Vidal 1159 (P). Khammouane: Ban Na Tan , Petelot 4989 (P). Champassak: Bassac ,

Thorel s.n. (P). CAMBODIA. Kandal: Phnom Penh, Talmy 126 (P). CHINA. Yunnan: Xishuangbana, Y.H.Li 310 (KUN); H.F.Sun 23 (KUN).