Rhysotoechia ramiflora

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Rhysotoechia ramiflora


Tree or shrub, up to c. 8 m, dbh 3-30 cm, sparsely branched, bark smooth, grey brown, thin. Branchlets smooth to slightly rough, greyish black to reddish black to light brown; Leaves 1-4-jugate; Inflorescence: Flowers 6-8 mm in diam. Sepals glabrous except for (laxly) ciliate margins, outer ones broadly elliptic, c. 2.5 by 2 mm, inner ones broadly ovate, c. 3.5 by 2.5 mm. Petals broadly obovate, 1.6-2 by 1.8-2 mm, outside (laxly) pilose, inside glabrous, claw 0.2-0.4 mm high, margins coarsely lobed, apex rounded; Stamens 8; Ovary c. 1 mm long, densely sericeous; Fruits obcordate, 1.8-2.5 by 1.6-2.1 cm, outside rugose to ribbed, laxly puberulous, inside (densely) papillose; Seeds ellipsoid or ovate, 1-1.7 cm by 6-10 mm;


Asia-Tropical: Borneo present; Philippines (Philippines present); Sulawesi (Sulawesi present), E Kalimantan present, Luzon present, Mindanao present, Samar present, Sulu present
Malesia: Borneo (E Kalimantan), Philippines (Luzon, Samar, Mindanao, Sulu), Celebes.


This species is very variable in a number of characters, for example: form and thickness of the leaflets, smoothness of petiole and rachis, way in which the inflorescences are borne on the branches, number of cells developed in the fruits, and length of the stipe.


Radlk. 1933 – In: Engl., Pflanzenr. 98: 1213
Radlk. 1879 – In: Sitzungsber. Math.-Phys. CI. Kônigl. Bayer. Akad. Wiss. Miinchen: 542, 657
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 510
Etman 1994 – In: Blumea: in press.
Radlk. 1933 – In: Engl., Pflanzenr. 98: 1214
Mem 1923 – In: Enum. Philipp. Flow. Pl: 510
Radlk. 1933 – In: Engl., Pflanzenr. 98: 1213