Australian Tropical Rainforest Plants - Online edition

Psydrax graciliflora (Merr. & L.M.Perry) S.T.Reynolds & R.J.F.Hend.

Shrub (woody or herbaceous, 1-6 m tall)
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Flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO

Reynolds, S.T.& Henderson, R.J.F. (2004) Telopea 6: 827.


A small tree seldom exceeding 20 cm dbh. Sapwood surface corrugated.


Stipules abruptly narrowed into a fine point at the apex. Leaf blades usually small, about 3-4 x 1-2 cm. Petioles short, about 0.1-0.2 cm long. Midrib raised on the upper surface. Domatia are small foveoles but are not present on all leaves.


Calyx lobes short, less than 0.5 mm long. Corolla tube about 1.5-2 mm long, lobes about 3-3.5 mm long. A distinct ring of downward pointing hairs on the inner surface near the apex of the corolla tube, glabrous elsewhere. Corolla lobes with minutely papillose margins. Stigma peltate, +/- mitriform, 2-lipped at the apex.


Fruits about 5 mm long excluding the stalk.


Cotyledons linear-obovate, about 10-12 mm long. At the tenth leaf stage: leaf blade about 10-12 mm long; stipules triangular. Seed germination time 223 days.

Distribution and Ecology

Occurs in CYP and NEQ. Altitudinal range from near sea level to 300 m. Grows on the margins of monsoon forest and dry rain forest. Also occurs in New Guinea.

Canthium graciliflorum Merr. & L.M.Perry, Journal of the Arnold Arboretum 26: 230(1945), Type: BRITISH NEW GUINEA: Tarara, Wassi Kussa River, Brass 8596, Dec. 1936; Iso: BRI, K.
RFK Code
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