Elsholtzia beddomei C.B.Clarke ex Hook.f.

Bongcheewin, B., Chantaranothai, P. & Paton, A., 2015, Elsholtzia (Lamiaceae) in Thailand, Blumea 59 (3), pp. 209-214 : 210

1. Elsholtzia beddomei C.B.Clarke ex Hook.f.

Elsholtzia beddomei C.B.Clarke ex Hook.f. (1885) 643; Mukerjee (1940) 90; Press (1982) 69; B.Bongcheewin & Chantar. (2008) 1. — Type: Beddome 113 (holotype K (http://specimens.kew.org/herbarium/K000192611, last acc. 16 Feb. 2015 )), Myanmar, Tenessarim, Thougyeen forest.

Shrubby perennial herb up to 1.7 m tall. Stems erect, densely tomentose with white hairs and brownish glands. Leaves narrowly elliptic-ovate or elliptic, 5 –10 by 1–2 cm, base attenuate, margin serrate; upper surface villous, with translucent dark yellow dots; lower surface densely villous; petioles 6–15 mm long. Inflorescence terminal and axillary, lax, verticils from adjacent nodes not overlapping, 4–8 mm apart, cylindrical, 5–16 cm long, densely tomentose; bracts narrowly lanceolate, 2–3 mm long, densely pubescent outside, glabrescent, with translucent brown dots inside; bracteoles narrowly triangular. Calyx campanulate, 2–3 mm long at anthesis; tube ventricose, 1.5–2 mm long, densely villous with yellow sessile glands outside, glabrescent inside; lobes subequal, ovate-triangular, 0.8–1 mm long. Corolla white, campanulate, 3.3–3.6 mm long; tube densely pubescent with sparsely translucent yellow dots outside, glabrous with an annulus inside; lobes densely pubescent with sparsely translucent yellow dots outside, glabrescent inside; median lobe obovate, apex emarginate, margin undulate; lateral lobes ovate-triangular or ovate, 0.4–0.5 by 1–1.1 mm; lower lip broadly elliptic, 1.1–1.2 by 1.7–1.8 mm, apex obtuse,

margin undulate. Stamens 4, exserted, glabrous. Style slightly exserted. Nutlets 4, ovate-oblong, 0.8–1 mm long.

Distribution — Myanmar and Thailand (N: Chiang Mai, Tak, Kamphaeng Phet).

Ecology — Open dry forest, on limestone, 800–1100 m altitude. Flowering and fruiting: November to March (June).

Specimens examined.Bongcheewin 518, 638; Paisooksantivatana 2048­

87; Smitinand et al. 7867; Suddee & Puudjaa 1108.

Additional specimen seen. Beddome 147.

Note — There are two Beddome collections from Tenasserim, Thoungyeen forest, i.e. Beddome 113 (K) & 147 (BM) but only the specimen at Kew has Hooker’s handwriting on it.