Volume 13 > Part 2 > Year 2016 > Page 312 > Compositae (Asteraceae) > Grangea

Grangea maderaspatana (L.) Poir.wfo-0000075063

Encycl. (Lamarck) Suppl. 2: 825. 1812; C.B.Clarke, Compos. Ind. 37. 1876; Hook.f., Fl. Brit. India 3: 247. 1881; Ridl., Fl. Malay Penins. 2: 195. 1923; Gagnep., Fl. Indo-Chine 3: 574. 1924; Kerr, Fl. Siam. 2(3): 251. 1936; Backer & Bakh.f., Fl. Java 1: 380. 1965; Hu, Quart. J. Taiwan Mus. 19: 279. 1966; Grierson, Revis. Handb. Fl. Ceylon 1: 150. 1980; Kitam. & Gould in Hara, Chater & Williams, ed., Enum. Fl. Pl. Nepal 3: 29. 1982; H.Koyama, Acta Phytotax. Geobot. 34: 4. 1983; Shih, Fl. Reipubl. Popularis Sin. 74: 83. 1985; Grierson & D.G.Long, Fl. Bhutan 2(3): 1529. 2001; Y.L.Chen & Brouillet, Fl. China 20–21: 552. 2011.— Artemisia maderaspatana L., Sp. Pl. 2: 849. 1753. Fig. 55; Plate XXVI: 1–2.

Accepted Name : This is currently accepted.

Description : Annual herb; stem suberect or prostrate, pubescent or villous. Leaves alternate, elliptic or oblong in outline, ca 6 by 2.5 cm, sinuately pinnatifid, 2–3-pairs, lateral segments oblong, margins crenate, apex obtuse, both surfaces pubescent, glandular-dotted. Inflorescences solitary, terminal or rarely paired, leaf-opposed, peduncles short. Capitula: involucres subglobose, ca 3 by 6 mm; phyllaries biseriate, imbricate, outer herbaceous, densely pubescent, inner somewhat scarious; receptacle convex or conic, naked. Marginal florets numerous, 5–7-seriate; corollas filiform, ca 1 mm long, apex 2–3-toothed. Disc florets many per capitulum; corollas campanulate, ca 1.2 mm long, basal tube very slender, apex 5-lobed. Achenes oblong, ca 2 mm long, flattened, glandular, apex truncate with a thickened, toothed ring.

Thailand : NORTHERN: Phayao; NORTH-EASTERN: Loei (Si Than); CENTRAL: Chai Nat (Chao Phraya Dam), Ang Thong (Wat Thong Khung), Saraburi, Nakhon Nayok (Ban Na); PENINSULAR: Satun (Tarutao).

Distribution : Tropical Africa, India (type), Bhutan, Indochina, Malaysia, Indonesia.

Ecology : Dried up ditches, dam beds, rich fields and clearings by roads, 5–350 m alt. Flowering: February–March.

Vernacular : Phaya mutti (พญามุตติ)(Suphan Buri); ya cham luang (หญ้าจามหลวง)(Chiang Mai).