Alstonia spectabilis
Content
Description
Small or big tree (sometimes shrub) 3-30 m high, up to 90 cm dbh, sometimes with small buttresses.
Bark smooth, scaly or longitudinally fissured, corky, grey, brownish or dark brown;
Branchlets glabrous or puberulous.
Leaves in whorls of 3 or 4;
Inflorescences 2.5-11 cm long, many-flowered;
Flowers fragrant.
Sepals connate at the base for 0.3-1.2 mm, ovate, sometimes obovate or suborbicular, 1.1-3 by 1-1.8 mm, apex obtuse or rounded, sometimes mucronulate, erect, ciliate, pubescent outside, glabrous inside (less often laxly puberulous around the apex).
Stamens inserted at 1.6-3.4 mm from the base;
Fruit a pair of follicles, (15-)20-50 cm by (2.5-)3-4 mm, glabrous.
Seeds elliptic or narrowly so, sometimes ovate, 5-9 by 1.5-2.7 mm, dark brown, mostly blackish at the margin, pubescent on both sides, one end acuminate with an acumen up to 2.7 mm long (sometimes acute or cuneate), other end rounded or obtuse;
Distribution
Asia-Tropical: Jawa (Jawa present); Lesser Sunda Is. present; New Guinea present; Philippines (Philippines present); Sulawesi (Sulawesi present), New Britain present, Northern parts of Australia present, Solomon Islands present, southern part of the Moluccas present
Northern parts of Australia and the Solomon Islands; in Malesia: Philippines, Java, Sulawesi, Lesser Sunda Islands, the southern part of the Moluccas, New Guinea incl. New Britain.
Citation
Whitmore et al. 1989: Checklist Bali, Nusa Tenggara Timor: 13
P.I. Forst. 1992 – In: Austral. Syst. Bot.: 748
Markgr. 1927 – In: Bot. Jahrb. Syst.: 177
Kessler et al. 2002 – In: Blumea: 13
Whitmore et al. 1997: Checklist Irian Jaya: 16
Miq. 1857 – In: Fl. Ned. Ind.: 437
P.I. Forst. 1996 – In: Fl. Australia: 122
Sidiy. 1998 – In: Blumea: 184
R.Br. 1811 – In: Mem. Wern. Nat. Hist. Soc.: 77
R.Br. 2001 – In: PROSEA: 68
Monach. 1949 – In: Pacific Sci.: 161
R.Br. 1989: Checklist Maluku: 14
Markgr. 1974 – In: Blumea: 27
P.I. Forst. 1996 – In: Fl. Australia: 122
Backer & Bakh.f. 1965 – In: Fl. Java: 226
R.Br. 1993 – In: PROSEA: 90
Whitmore & Tantra 1989: Checklist Sulawesi: 14