e-Flora of Thailand

Volume 7 > Part 3 > Year 2001 > Page 563 > Sterculiaceae > Helicteres

1. Helicteres angustifolia L.wfo-0000718077

Sp. Pl.: 963. 1753; Mast. in Fl. Brit. Ind. 1: 365. 1874; Gagnep. in Fl. Gén. I.-C. 1: 495. 1911; Ridl., Fl. Malay Penins. 1: 282. 1922; Kou-mei, Fl. Reipubl. Popularis Sin. 49(2): 156, fig. 45. 1984. Fig. 69.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Helicteres obtusa Wall. ex Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 42(2): 62. 1873; Mast, in Fl. Brit. Ind. 1: 366. 1874; Kurz, Fl. Burm. 1: 144. 1877; Craib in Fl. Siam. Enum. 1: 174. 1925.
Helicteres angustifolia var. obtusa King, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 40(2): 83. 1891.
Helicteres parviflora Ridl., J. Straits Branch. Roy. Asiat. Soc. 59: 77. 1911.


Description : Shrub, 1–2(3) m high, stellate hairy on all parts. Leaves elliptic, oblong or lanceolate, 3–15 x 1–4 cm, coriaceous, apex acuminate, acute to obtuse, base obtuse, entire; 3 basal nerves, secondary nerves 3–7 pairs, scalariform and reticulate veins distinct on lower surface. Petiole 3–15 mm long, hairy. Inflorescences axillary, short. Calyx campanulate, with 5 unequal lobes, hairy externally. Petals bluish or pink, spathulate, 5–10 x 1–2 mm, obtuse, claw without appendage. Stamens 15, on a slender, glabrous column, angular near the top. Ovary ovoid, surrounded by the ring of stamens, longitudinally 5-lobed; stigma flattened, slightly 5-lobed. Capsule cylindrical, 1–3 x 0.5–1.5 cm, without beak on top, with 5 longitudinal lobes, covered with shaggy hairs, dehiscent.


Thailand : NORTHERN: Chiang Mai, Phrae, Sukhothai, Phitsanulok; NORTH EASTERN: Phetchabun, Loei, Nong Khai, Sakon Nakhon; EASTERN: Chaiyaphum, Nakhon Ratchasima, Ubon Ratchathani; SOUTH-WESTERN: Uthai Thani, Kanchanaburi, Ratchaburi; SOUTH-EASTERN: Prachin Buri, Chon Buri, Chanthaburi; PENINSULAR: Chumphon, Surat Thani, Trang, Satun, Songkhla.


Distribution : India, Burma, S China, Malay Peninsula (type), Singapore, Vietnam, Indonesia, the Philippines, Australia.


Ecology : Common in deciduous and dry dipterocarp forests, 30–1,000 m alt. Flowering and fruiting all year round.


Vernacular : Pa hiac mong (ป่าเหี้ยวหมอง), ya hang on (หญ้าหางอ้น)(Northern); khi tun (ขี้ตุ่น), mai mut (ไม้หมัด), po khi hai (ปอขี้ไก่), po tạo hai (ปอเต่าไห้)(Northeastern); khao ki noi (เข้ากี่น้อย)(Eastern); khi on (ขี้อ้น)(Southwestern); po mat po (ปอมัดโป)(Southeastern); yam yae (ยำแย่)(Peninsular).


Main

Figure 69
Preecha Karaket (Kanchanaburi)
Preecha Karaket (Kanchanaburi)