Eltsholtzia blanda (Benth.) Benth.

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

2. Eltsholtzia blanda (Benth.) Benth.

Eltsholtzia blanda (Benth.) Benth.(1833) 162;(1848) 160;Hook.f.(1885) 643; Doan (1936) 978; Mukerjee (1940) 89; Keng (1969) 73; Murata (1971) 497; (1976) 183; Press (1982) 69; X.W. Li & Hedge (1994) 250; Phuong (1995) 35; A.L. Budantzev (1999) 20; Phuong (2000) 227.

Aphanochilus blandus Benth.(1829) sub t.1282;(1830) 29. — Type: Wall .Cat. 1550.1 (K (Herb. Benthamianum) (http://specimens.kew.org/herbarium/ K000881696 , last acc. 16 Feb. 2015), lectotype chosen here; isolectotypes G-DC,K (Herb. Hookerianum) (http://specimens.kew.org/herbarium/ K000881698 , last acc. 16 Feb. 2015), K-W), Nepal, 1821.

Perilla elata D. Don (1825) 115. — Type: Buchanan­Hamilton s.n. (BM not found), Nepal.( Press & Shrestha (2000) enumerated Buchanan-Hamilton’s collections from Nepal during 1802–1803 of which several were recognised as types of taxa in Don (1825), but the type of Perilla elata has not been found at BM,LINN-SM and LIV where the collections are mainly deposited.)

Shrubby perennial herb up to 2 m tall. Stems erect, tomentose with recurved hairs and yellowish sessile glands. Leaves ovate or elliptic-ovate, 4–16 by 2–6 cm, base attenuate, margin shallowly serrate; upper surface sparsely pubescent; lower surface densely pubescent on venation with translucent yellow dots; petioles 8–15 mm long. Inflorescence terminal and axillary, lax, verticils from adjacent nodes not overlapping, 3–5 mm apart, secund, 8–13 cm long; bracts narrowly lanceolate, curving upwards at apex, 2–5 by 1–1.7 mm; bracteoles linear. Calyx tubular, 2.2–2.5 mm long at anthesis; tube ventricose, densely hispidulous with translucent dots outside, pubescent inside; lobes unequal, narrowly or broadly triangular, 6–9 mm long. Corolla white, dilate-tubular; tube 1.2–1.5 mm long, glabrous outside, glabrous with an annulus inside; lobes densely hispidulous on both sides, margin undulate; lateral lobes ovate, apex truncate; median lobe broadly ovate; lower lip obovate, 0.5 mm, apex slightly emarginate, c. 0.5 mm long. Stamens 4, exserted, puberulous. Style slightly exserted, slightly swelling at base. Nutlets 4, oblong, 1.5 mm long.

Distribution — India, China, Myanmar, Thailand (N: Mae Hong Son, Chiang Rai, Chiang Mai, Nan, Lampang, Phitsanulok), Vietnam, Sumatra.

Ecology — Paddy field or open places in hill evergreen or pine-dipterocarp forest, 1000–2300 m altitude. Flowering and fruiting: October to February (March).

Specimens examined. Bongcheewin 233, 475, 762; Chamchumroon et al. 1674; Chermsirivathana 545; Fukuoka T­4352; Garrett 92, 842; Geesink et al. 7996; Hansen & Smitinand 12660, 12771; Hosseus 232, 239; Iwatsuki & Fukuoka T­3498; Kerr 1588, 1588B, 6562; Konta et al. 4665, 4702, 4959; Koyama & Phengklai T­44205; Koyama et al. T­32790, T­39628, T­39845; Larsen et al.44339; Maxwell 87­1552, 95­1307, 01­676; Paisooksantivatana 1641­85; Put 4428; Sadakorn 241, 636; Santisuk 1151, 8646; Shimizu et al. T­11570, T­18886; Smitinand & Alsterlund 6728; S.P. et al. 16; Srisanga 1127; Suddee et al. 1083; Van Beusekom & Phengklai 2389 ; Yahara T­50284.

Note — The Wallich’s Catalogue no. 1550 stamped with Herb. Benthamianum includes two collections mounted on the same sheet, i.e. Wall . Cat. 1550.1 (mounted on the left-hand side) and 1550.2. Wall . Cat. 1550.1 is in better condition and is selected as a lectotype.