e-Flora of Thailand

Volume 5 > Part 2 > Year 1990 > Page 207 > Scrophulariaceae > Torenia

1. Torenia flava Buch.-Ham. ex Benth.wfo-0001140253

Scroph. Ind.: 38. 1835; in DC., Prod. 10: 411. 1846; Hook.f. in Bot. Mag.: t.6700. 1883; Bonati in Fl. Gén. I.-C. 4: 405. 1927; Kerr in Fl. Siam. En. 3(2): 70. 1954; Dutta, Bull. Soc. Bot. Bengal 19: 24. 1965; Chin in Fl. Reip.Pop. Sin. 67(2): 157. f. 19, 1–2. 1979; T.Yamaz., J. Fac. Sci. Univ. Tokyo, Sect. 3, 13: 606, f. 11, a–c3 1985; in Fl. C.L.V. 21: 138. 1985. Plate XV: 9.


Accepted Name : This is currently accepted.


Description : Annual herbs 10–30 cm; stems laxly branched or simple, erect, patently hirsute. Leaves petiolate to sessile upwards; petioles up to 1.5 cm, patently hirsute; blades ovate, 15–45 by 8–25 mm, subacute at apex, cuneate to rounded at base, erenate-serrate, sparsely hirsute on both surfaces. Flowers solitary and axillary, or in terminal racemes of distant pairs. Bracts linear-lanceolate, 3–7 mm long. Pedicels 5–7 mm, patently hirsute. Calyx tubular, 5–9 mm long in flower, 10–15 mm long in fruit, keeled, pubescent. Corolla yellow, 8–10 mm long. Anterior stamens each with a short clavate spur ca 0.15 mm long, arising slightly above the base. Capsule oblong-lanceolate, 8–10 by 2 mm. Seeds ellipsoidal, 0.35 by 0.3 mm, scrobiculate.


Thailand : NORTHERN: Mae Hong Son (Khun Yuam), Chiang Mai (Doi Suthep), Phitsanulok (Thung Salaeng Luang), Sukhothai (Mueang Kao); EASTERN: Nakhon Ratchasima (Khao Yai); SOUTH-WESTERN: Kanchanaburi (Kha Thalai); PENINSULAR: Chumphon, Surat Thani, Ranong (Khao Phra Mi), Satun.


Distribution : Assam (type), Burma, S China, Laos, Vietnam, Malay Peninsula, Sumatra, Java.


Ecology : Wet grasslands, waysides, open shady ground in evergreen forests, up to 600 in alt.


Vernacular : Man pu (มันปู)(Eastern).


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Plate XV: 9
Torenia flava Buch.-Ham. ex Benth.