e-Flora of Thailand
Volume 5 > Part 2 > Year 1990 > Page 211 > Scrophulariaceae > Torenia
6. Torenia pierreana Bonatiwfo-0000458491
in Bull. Soc. Bot. France 55: 513 (1908); in Fl. Gén. I.-C. 4: 405. 1927; T.Yamaz., J. Fac. Sci. Univ. Tokyo, Sect. 3, 13: 616. f. 16, a. 1985; in FL C.L.V. 21: 145. f. 17, 6. 1985.
Accepted Name : This is currently accepted.
Synonyms & Citations :
Description : Stems laxly branched, diffuse or ascendent, occasionally rooting at the flower nodes, up to 50 cm long, with subdense upward or spreading pubescent hairs. Leaves chartaceous; petioles 2–10 mm, with dense upward or spreading pubeseent hairs; blades broadly lanceolate to oblong-ovate, 2–4 by 1–2.5 cm, acute or acuminate at apex, obtuse to rounded at base, acute-serrate, densely pubescent on both surfaces. Flowers solitary and axillary or 2–4 in terminal subumbels; pedicels 10–25 mm long, subdensely pubescent. Bracts linear, 1–3 mm. Calyx tubular, 5-keeled, 10–12 by 3 mm in flower, 14–17 by 4 mm in fruit, subdensely hirsute or occasionally pubescent, subequally 5-lobed; lobes lanceolate, acuminate. Corolla pale red, 2.5–3 cm long; upper lip broadly orbicular, 7–8 by 8–10 mm; flower lip 3-lobed, lobes orbicular, 6–7 mm long and wide. Anterior stamens each with a filiform spur arising slightly above the base; spur 1–1.8 mm long, sparsely glandular. Capsule narrowly oblong, 10–12 by 2.5–3 mm. Seeds ellipsoidal, 0.45 by 0.3 mm, scrobiculate.
Thailand : NORTHERN: Chiang Mai (Doi Inthanon, Pha Mon), Nan; NORTH-EASTERN: Phetchabun (Nam Nao, Phu Miang), Loei (Phu Kradueng, Phu Luang); EASTERN: Nakhon Ratchasima (Khao Yai); CENTRAL: Nakhon Nayok (Khao Yai); PENINSULAR: Songkhla (Hat Yai).
Distribution : Cambodia (type).
Ecology : Open grasslands, edge of the evergreen forests, dry stony waysides, 600–1,400 m alt.