Volume 13 > Part 2 > Year 2016 > Page 239 > Compositae (Asteraceae) > Chromolaena

Chromolaena odorata (L.) R.M.King & H.Rob.wfo-0000067484

Phytologia 20(3): 204. 1970; Grierson & D.G.Long, Fl. Bhutan 2(3): 1628. 2001; H.Koyama, Bull. Natl. Sci. Mus., Tokyo, B 28(2):53. 2002; Y.L.Chen et al., Fl. China 20–21: 890. 2011.— Eupatorium odoratum L., Syst. Nat. ed. 10. 2: 1205. 1759; Hook.f., Fl. Brit. India 3: 244. 1881; Gagnep., Fl. Indo-Chine 3:506. 1924; Kerr, Fl. Siam. 2(3): 249. 1936; Grierson, Revis. Handb. Fl. Ceylon 1: 143. 1980; Kitam. & Gould in Hara, Chater & Williams, ed., Enum. Fl. Pl. Nepal 3: 28. 1982; Shih, Fl. Reipubl. Popularis Sin. 74: 56. 1985.

Accepted Name : This is currently accepted.

Description : Large scandent herb or straggling shrub; stems shortly pubescent or nearly glabrous, striate, branched above, branches sometimes ending in inflorescences with many capitula. Leaves triangular-oblong, 7.5–10 by 2.5–5 cm, apex obtuse or acute, base rounded or cuneate, margins more-or-less coarsely serrate-dentate or nearly entire, 3–5-veined, both surfaces shortly hispidulous, lower surface glandular, paler than upper surface; petioles 0.5– 2 cm long, sometimes obscure. Inflorescences corymbose; peduncles 1–2 cm long. Capitula: involucres tubular-cylindrical, 10–12 mm high, 3–5 mm diam.; phyllaries 4- or 5-seriate, imbricate, 3-veined, outer glandular, finely hairy, innermost lanceolate, 9–10 mm long; receptacle cupular, glabrous. Florets 20–35 per capitulum, bisexual; corollas ca 5 mm long, light violet, funnel-shaped. Achenes linear, ca 5 by 0.4 mm, 5-angled, sharp, glabrous except on angles, black; pappus of capillary bristles ca 5 mm long, dirty-white.

Thailand : NORTHERN: Mae Hong Son (Doi Pa Daeng), Nan (Pha Sing), Chiang Mai (Doi Suthep, Mae Klang Falls, Doi Inthanon, Ban Mae Kon, Pa Mon to Sop Aep); NORTH-EASTERN: Phetchabun (Lom Sak), Loei (Phu Luang, Phu Kradueng NP), Khon Kaen (Pha Nok Khao); EASTERN: Ubon Ratchathani (Na Chaluai); SOUTH-WESTERN: Uthai Thani (Huai Kha Kaeng WS), Kanchanburi (Tham Tan Lot NP, Namtok Huai Yang NP); CENTRAL: Singburi, Phra Nakhon Si Ayutthaya, Krung Thep Maha Nakhon (Bangkok); SOUTH-EASTERN: Chon Buri (Si Racha), Rayong (Klaeng), Chanthaburi (Laem Sing, Pong Nam Ron, Makham); PENINSULAR: Ranong (Kapoe), Surat Thani (Khirirat Nikhom), Phangnga, Phatthalung, Phuket (Thalang), Nakhon Si Thammarat (Tha Sala), Songkhla (Rattaphum, Hat Yai).

Distribution : Native of C & S America (New World – type).

Ecology : Naturalised throughout SE Asia, roadside thickets and old clearings, 50–1,000 m alt. Flowering: nearly all the year round.

Vernacular : Cha phak khrat (ช้าผักคราด)(Surat Thani); chi-pho-kuai (ชิโพกวย), chai-pu-ko (ไช้ปู่กอ), se-pho-kuai (เซโพกวย), bo-so (บ่อโส่), pho-chi-khae (เพาะจีแค)(Karen-Mae Hong Son); ban rang (บ้านร้าง)(Ratchaburi); benchamat (เบญจมาศ)(Central, Bangkok,Trat); phak khrat (ผักคราด)(Ratchaburi, Northern); farang rukthi (ฝรั่งรุกที่), farang ho (ฝรั่งเหาะ)(Suphan Buri); ma long (หมาหลง)(Chon Buri); mon-thon (มนทน)(Chao Bon-Phetchabun); mung kratai (มุ้งกระต่าย)(Lop Buri, Udon Thani, Ratchaburi); yisun thuean (ยี่สุ่นเถื่อน)(Surat Thani); ram khoei (รำาเคย)(Ranong); sap suea (สาบเสือ)(Sing Buri, Saraburi); ya-kha-phang (หญ้าค่าพั้ง)(Shan-Mae Hong Son); ya dong rang (หญ้าดงร้าง)(Saraburi); ya dok khao (หญ้าดอกขาว)(Central, Bangkok, Chiang Mai, Ang Thong, Loei, Peninsular); ya farangset (หญ้าฝรั่งเศส)(Chanthaburi, Trat); ya phra siri aiya sawan (หญ้าพระศิริไอยสวรรค์)(Saraburi); ya muang wan (หญ้าเมืองวาย)(Northern); ya muang hang (หญ้าเมืองฮ้าง)(Northern); ya luem muang (หญ้าลืมเมือง)(Nong Khai); ya lao hang (หญ้าเลาฮ้าง)(Khon Kaen); ya men (หญ้าเหม็น)(Northeastern).