Volume 11 > Part 4 > Year 2014 > Page 525 > Campanulaceae > Lobelia

5. Lobelia griffithii Hook.f. & Thomsonwfo-0000814464

J. Proc. Linn. Soc., Bot. 2: 28. 1857; C.B.Clarke, Fl. Brit. India [J.D.Hooker] 3: 424. 1881. 1881; Danguy, Fl. Indo-Chine [P.H.Lecomte et al.] 3: 682. 1930; Kerr in Craib, Fl. Siam. 2: 303. 1936; Nguyen Van Thuan, Fl. Cambodge, Laos & Vietnam 9: 38. 1969; Lammers, World Checkl. & Bibliogr. Campanulaceae: 423. 2007; W.J.de Wilde & Duyfjes, Thai Forest Bull., Bot. 40: 45. 2012. Figs. 10: B, 14; Plate CXII: 6.

Accepted Name : This is currently accepted.

Description : Annual herb, glabrous, erect, little or much branched, to 15 cm tall; stem (sub) terete, not winged. Leaves alternate, lower and upper ones similar; petiole absent; all blades narrowly elliptic (or linear), up to 0.8 cm long, apex acute. Flowers solitary; pedicel 5–15(–25) mm long; bracteoles present; ovary glabrous; corolla bilabiate, dark lilac-blue, 5–6 mm long; anthers all bearded at apex. Fruit a capsule, glabrous. Seeds trigonous.

Thailand : NORTH-EASTERN: Loei (Phu Kradueng NP), Nong Khai, Nakhon Phanom; EASTERN: Nakhon Ratchasima (Dan Chumphon), Ubon Ratchathani; SOUTH-EASTERN: Prachin Buri; PENINSULAR: Chumphon (Ban Huai Kayo), Trang

Distribution : Myanmar (type), Cambodia, Laos, Vietnam (Annam, Tonkin), northern Peninsular Malaysia.

Ecology : Wet and dry fallow rice fields, open grassy fields, lower montane pine-oak forests; sea level to 250–1,300 m alt. Flowering and fruiting: November and December.

Notes: Various authors, e.g. Clarke (l.c.), Lammers (l.c.), have united Lobelia dopatrioides with L. griffthii. Apart from different leaf size and shape, the latter has (mostly) a different growth habit, i.e. usually ascending, and larger flowers, corolla 6–10 mm long.