Volume 5 > Part 3 > Year 1991 > Page 285 > Malpighiaceae > Tristellateia

Tristellateia australasiae A.Rich.wfo-0001237385

Sert. Astrol.: t. 15. 1833; Juss., Arch. Mus. Hist. Nat. 3: 495. 1843; Hook.f. in Fl. Br. Ind. 12 418. 1874; Dop in Fl. Gén. I.-C. 1: 593. 1911; Ridlf, Fl. Malay Penins. 1: 327. 1922; Craib in Fl. Siam. En. 1: 200. 1926; Niedenzu in P?anzenr. 91: 60. 1928; Arénes in Fl. Gén. I.-C. Suppl. 1: 507. 1945; Jacobs in Fl. Males. I. 5: 136. 1955. Fig. 63; Plate XX: 22.

Accepted Name : This is currently accepted.

Description : Youngest parts white hairy. Leaves coriaceous, glabrous, sparsely hairy in young leaves, ovate or ovate-oblong, 7–12 by 3–5 cm; apex acute or acuminate; base rounded, sometimes oblique, with 2 basal glands; margin recurved; lateral nerves 4–7 pairs; petiole 1–2 cm long, sulcate, hairy above. Raceme terminal, 10–20 cm long; pedicels decussate, 1.5–3 cm long, articulate below the middle, flower portion persistent; bracts acute, 2–3 mm long, hairy on the back; bracteoles minute, ca 1 mm long, glabrous. Sepals triangular, apex obtuse, 3–4 by 2 mm. Petals yellow, slightly unequal, 1.5–2 cm long; limb 10–15 by 5–7. mm, oblong; apex obtuse; base truncate. Stamens: filaments broad at base, yellow, reddening, bright red after anthesis, 4–5 and 2–3 mm long; anthers 2–3 mm long, connective narrow, but distinct on dorsal side. Ovary 2–3 mm in diam. with a whorl of young wings on each carpel; style 6–8 mm long, glabrous. Mericarps sparsely white hairy, each carpel irregularly 8-winged, fine often larger than the others, 1–2 cm in diam.

Thailand : SOUTH-EASTERN: Chon Buri (Si Racha); PENINSULAR: Surat Thani (Ko Pha-ngan), Ranong (Kapoe), Phangnga (Takua Pa), Phuket, Krabi (Ko Chong Lat), Trang (Kantang); often cultivated as an ornamental.

Distribution : Formosa, S Vietnam (Cochinchina), Malesia, Mergui Islands, Caroline Islands, New Caledonia, New Ireland, Australia (Queensland coast).

Ecology : In the transitional zone between rain forests and mangrove, widely cultivated.

Vernacular : Rakhon thong (ระคนทอง)(Northern); phuang thong khruea (พวงทองเครือ)(Central).