Volume 7 > Part 1 > Year 1999 > Page 161 > Primulaceae > Lysimachia

12. Lysimachia decurrens Forst.f.wfo-0001105739

Prod. 12. 1786; Hand.-Mazz., Notes Bot. Gard. Edinb. 16: 114, 1928; Fletcher in Kerr, Fl. Siam. En. 2: 323. 1938; Bentv., Fl. Mal. ser. 1, 6: 185. 1962; AUCT. MULT., Fl. Hainanica. 3: 436, fig. 838. 1974; C.M.Hu, Acta Phytotax. Sin. 23: 363. 1985; Chen & C.M.Hu, Reipubl. Popul. Sin. 59: 120. 1989.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Perennial herb, 40–90 cm tall, glabrous throughout. Stem erect, with raised lines descending from the base of leaf petioles, usually much branched. Leaves alternate, sometimes subopposite; petiole 1–4 cm, narrowly winged; blade lanceolate, to elliptic lanceolate, 6–13 x 1.5–4 cm, base cuneate, apex acute or acuminate, ± membranous when dry, with scattered black glandular dots or short stripes on both surfaces, especially near the margin. Racemes terminal, 10–25 cm; bracts subulate, 2–3 mm. Pedicel 2–9 mm, lengthening to 10–18 mm in fruit. Calyx split nearly to base; lobes narrowly lanceolate, 3–4 mm, glandular ciliate, with black glandular stripes externally. Corolla white or tinged purple; tube ca 1.5 mm; lobes oblong-spathulate, 1–2.5 mm, apex rounded. Stamens long-exserted; filaments adnate to base of corolla lobes; anthers ovoid, purple, ca 1 mm. Ovary ovoid; style slender, ca 5 mm. Capsule globose or slightly depressed, 3–4 mm in diameter.

Thailand : NORTHERN: Chiang Rai (Muang Tong), Nan; NORTH-EASTERN: Udon Thani, Loei (Chiang Kan).

Distribution : India, China, Laos, Vietnam, Indonesia, the Philippines, New Hebrides, Japan. Type collected from the island Vanuatu of Pacific Ocean.

Ecology : Wasteland, roadsides, banks of river, 200–400 m alt. Flowering: April–May.