e-Flora of Thailand

Volume 13 > Part 2 > Year 2016 > Page 228 > Compositae (Asteraceae) > Blumea

21. Blumea sinuata (Lour.) Merr.wfo-0000060062

Trans. Amer. Philos. Soc., ser. 2, 24(2): 388. 1935; Singh, Bull. Bot. Surv. India. 18: 215. 1976.— Gnaphalium sinuatum Lour., Fl. Cochinch. 2:497. 1790. Fig. 28; Plate XXI: 5.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Conyza laciniata Roxb., Fl. Ind. 3: 427. 1832.
Blumea cichoriifolia DC. in Decne., Nouv. Ann. Mus. Hist. Nat. 3: 410. 1834.
Blumea lacera var. blumei DC., Prodr. 5: 436. 1836; J.Kost., Blumea 20: 223. 1972.
Conyza javanica Blume, Bijdr. Fl. Ned. Ind. 15: 897. 1826.— Blumea javanica (Blume) Zoll., Natuur- Geneesk. Arch. Ned.-Indië 2: 239. 1845.— B. lacera var. javanica (Blume) J.Kost., Blumea 4: 488. 1941.
Blumea laciniata DC., Prodr. 5: 436. 1836; Hook.f., Fl. Brit. India 3: 264. 1881; Gagnep., Fl. Indo-Chine 3: 532. 1924; Kerr, Fl. Siam. 2(3): 259. 1936; Randeria, Blumea 10: 258. 1960.
Conyza laciniata Wall., Numer. List [Wallich] no. 3100, comp. no. 210: 107. 1831, nom. nud.
Blumea crepidifolia DC., Prodr. 5: 437. 1836.
Conyza laciniata Buch.- Ham. In Wall., Numer. List [Wallich] no. 3084, comp. no. 194: 106. 1831, nom. nud.
Blumea cinerascens Blumea cinerascens DC., Prodr. 5: 438. 1836.
Conyza runcinata var. B Wall., Numer. List [Wallich] no. 3087B, comp. no. 197B: 106. 1831, nom nud.
Blumea runcinata DC., Prodr. 5: 438. 1836.
Conyza runcinata Wall., Numer. List [Wallich] no. 3087A, comp. no. 197A: 106. 1831, nom. nud.
Blumea sonchifolia DC., Prodr. 5: 438. 1836.
Conyza sonchifolia Buch.-Ham. In Wall., Numer. List [Wallich] no. 3085, comp. no. 195: 106. 1831, nom. nud.
Blumea sinapifolia Gagnep., Bull. Soc. Bot. France 68: 43. 1921; Fl. Indo-Chine 3: 536. 1924.


Description : Annual herb, 0.2–1 m tall; stems erect, pubescent with long hairs and stipitate glands. Leaves petiolate, blade lyrately lobed, 4.5–38 by 0.8–21 cm, apex acute, base attenuate, sometimes semi-amplexicaul, margins serrate with minute spines, upper surface bright green, lower surface pubescent with glandular hairs; petioles 0.5–5 cm long, sometimes with narrow wings. Inflorescences terminal, large, loose panicles, 15–40 cm long. Capitula 5–7 mm diam., peduncles slender, 5–10 mm long, pubescent with stipitate glands; involucres campanulate; phyllaries 4–6-seriate, outer bracts lanceolate, pubescent with hairs and stipitate glands, apex acute, inner linear, margins ciliate, pubescent with hairs and stipitate glands; receptacle 2.5–4 mm diam., slightly convex, alveolate, pubescent. Marginal floret corollas yellow; basal tube 3–4.5 mm long, lobes hairy or glabrous. Disc floret corollas yellow, basal tube 3.7–5 mm long, glabrous, lobes lanceolate, 0.4–0.5 mm long, pubescent with unicellular and glandular hairs; anthers 1.3–1.5 mm long, apical appendages acute, bases with unbranched tails, anther-tails shorter than anther collars; style arms ca 0.5 mm long, base swollen. Achenes oblong, terete, 1–1.5 mm long, setuliferous; pappus bristles ca 15, 3.5–4 mm long, persistent, white.


Thailand : NORTHERN: Chiang Mai (Doi Suthep, Doi Inthanon, Doi Mae Ya, Huai Kaeo Arboretum), Lampang (Chae Son NP), Phrae (Mae Yom NP, Long), Tak (Lan Sang NP); NORTH-EASTERN: Phetchabun (Thung Salaeng Luang NP, Nam Nao NP), Loei (Phu Kradueng), Khon Kaen (Tham Phothiyan, Phu Khiao); SOUTH-WESTERN: Uthai Thani (Katatak, Ban Rai); CENTRAL: Ang Thong; SOUTH-EASTERN: Rayong (Ban Pe), Chanthaburi (Khao Soi Dao).


Distribution : China (Hainan, Gaungdong, Yunnan, Guangxi, Hong Kong, Taiwan), Japan (Kyushu, Ryukyu), India, Bhutan, Nepal, Pakistan, Sri Lanka, Myanmar, Indochina, Malaysia (Peninsular), Indonesia (Java, Kalimantan, Sulawesi, Lombok, Sumbawa, West Timor), the Philippines (Bababac, Culion, Leyte, Luzon, Mindanao, Samar), Papua New Guinea, New Caledonia, Guam.


Ecology : A common weed in rice fields and in disturbed areas, from sea level to above 1,900 m alt. Flowering: November–June.


Main

Figure 28
Plate XXI: 5
Blumea sinuata (Lour.) Merr.