Alstonia muelleriana

Primary tabs

Alstonia muelleriana

Description

Small to medium-sized tree 5-25 m high, 4-40 cm dbh. Bark rough, shallowly longitudinally and horizontally fissured, grey or pale brown; Branchlets glabrous or pubescent. Leaves in whorls of 3 or 4; Inflorescence 4-9 mm long, many-flowered; Flowers fragrant. Sepals pale green, connate at the base for 0.5-1(-1.5) mm, ovate, 1.7-2.5 by 0.7-1.3 mm, obtuse, pubescent outside, pubescent or puberulous inside, ciliate, erect. Stamens inserted at 1.7-2.3 mm from the base; Fruit a pair of follicles, 13-32 cm by 2.5-3 mm, glabrous. Seeds oblong (rarely elliptic), c. 7.5 by 1.3 mm, one end rounded and the other long acuminate up to 2.5 mm long, pubescent on both sides, longest cilia 8-10 mm long, reducing gradually towards the margins.

Distribution

Asia-Tropical: New Guinea present, Australasia: Queensland (Queensland present)
Australia (Queensland); in Malesia: New Guinea.

Citation

P.I. Forst. 1992 – In: Austral. Syst. Bot.: 752
Sidiy. 1998 – In: Blumea: 155
Monach. 1949 – In: Pacific Sci.: 163
Markgr. 1974 – In: Blumea: 27
Whitmore et al. 1997: Checklist Irian Jaya: 16
Domin 1996 – In: Fl. Australia: 120