Arthrophyllum
Content
Description
Unarmed, sparingly branched trees or shrubs.
Leaves on vegetative shoots and lower leaves spirally arranged, imparipinnate, often crowded at the end of the branches, those on flowering branches often opposite, smaller, or reduced to a single leaflet;
Inflorescence consisting of compound umbels, either solitary and terminal or more commonly borne on a cluster of specialized leafy branches arising from the axils of the uppermost leaves;
Flowers bisexual.
Petals 4-6, valvate in bud.
Stamens 4-6, anthers curved, basifixed.
Ovary turbinate, 1-celled;
Fruit ovoid or spheroidal, often oblique;
Seed solitary, pendulous;
Distribution
Asia-Tropical: New Guinea present; Philippines (Philippines present), New Caledonia present, Nicobar Is present
About 31 spp. (17 in Malesia) extending from the Nicobar Is. and Indo-China to the Philippines, New Guinea and New Caledonia. .
Notes
The principal distinctive characters of this isolated genus are the single-celled ovary and the arrangement of the umbels on specialized lateral branches in the majority of the species.
The present treatment, following that which I gave in 1977, l.c., remains tentative until widespread field studies can be undertaken.
The present treatment, following that which I gave in 1977, l.c., remains tentative until widespread field studies can be undertaken.
Citation
Harms 1894 – In: E. & P., Nat. Pfl. Fam. 3: 54
Koord. 1916 – In: Atlas: f. 675 & 676
Miq. 1863 – In: Ann. Mus. Bot. Lugd.-Bat.: 27
Stone 1977 – In: Gard. Bull. Sing.: 276
Philipson 1977: p. 299. – In: Gard. Bull. Sing.: f. 1-16
Hutch. 1967 – In: Gen. Fl. Pl.: 80
DC. 1830 – In: Prod.: 266
Bl. 1978 – In: Adansonia: 329
Bth. 1865 – In: B. & H., Gen. Pl. 1: 944