Australian Tropical Rainforest Plants - Online edition

Mallotus resinosus (Blanco) Merr.

Shrub (woody or herbaceous, 1-6 m tall)
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Female flowers. © CSIRO
Leaves and Flowers. © CSIRO
Scale bar 10mm. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO

Merrill, E.D. (1918) Species Blancoanae : 222.


Can grow into a small tree but often flowers and fruits as a shrub 3-5 m tall.


Numerous yellow glands present on the underside of the leaf blade. Two to four flat glands present on the upper surface of the leaf blade near its junction with the petiole. Leaf blades about 8-14 x 3.5-6.5 cm.


Floral bracts small and inconspicuous. Flowers about 3 mm diam. Outer surface of the tepals pubescent, inner surface glabrous. Ovary clothed in spine-like projections and yellowish glands. Stigmas two or styles 2-branched.


Capsules sparsely muricate and also clothed in yellowish glands. Seeds globose, about 5 mm diam. Cotyledons cordate, wider than the radicle.


Cotyledons obovate, about 9-13 x 6-8 mm, 3-5-veined at the base. First pair of leaves with yellow glands on the underside. At the tenth leaf stage: leaf blade with yellowish glands on the underside and 2-4 flat glands on the upper surface near its junction with the petiole. Stipules hairy, +/- enclosing the terminal bud. Seed germination time 13 days.

Distribution and Ecology

Occurs in CYP and NEQ. Altitudinal range from near seal level to 400 m. Grows as an understory plant in rain forest and monsoon forest. Also occurs in Malesia.

Adelia resinosa Blanco, Fl. Filip. ed. 2 : 562(1845), Type: Philippines, Luzon, Pasig & Angono, near Manila, Blanco; holo: ?. Claoxylon muricatum Wight, Icones plantarum Indiae orientalis : t1886(1852), Type: India, Malabar Coast?. Mallotus walkerae Hook. f., Flora British India 5: 437(1887), Type: Ceylon, Walker; holo: K?. Mallotus muricatus var. walkerae (Hook.f.) Pax & K.Hoffm., Das Pflanzenreich Heft 63 : 190(1914). Mallotus muricatus (Wight) Mull.Arg., Linnaea 34: 191(1865).
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