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Male flowers. Copyright CSIRO

Dissiliaria tuckeri

Family

Picrodendraceae

Botanical Name

Dissiliaria tuckeri P.I.Forst.

Forster, P.I. (1997) Austrobaileya 5(1): 19-21. Type: Queensland. Cook District: Gap Creek, c. 22 miles [36.7 km] SE of Cooktown, May 1969, L.S.Smith 14419 (holo: BRI; iso: NSW).

Stem

Tree to 30 m tall, trunk buttressed, bark rough, flaky, blaze pink.

Leaves

Stipules lanceolate-obovate, 2.2-4 mm long, glabrous. Leaves glabrous,. New leaves bright red-pink; petioles 4-8 mm long, channelled on top, glabrous. Lamina elliptic, oblanceolate, 60-170 x 2-75 mm, margins entire, 8-10 lateral veins on each side of midrib. Apex acute, acuminate, obtuse to rounded; base cuneate or rounded.

Flowers

Male inflorescence and flowers not seen. Female inflorescence of 1-2 flowers in upper leaf axils, peduncles 2-4 mm long. Female flowers with pedicels 15-33 mm long, glabrous; styles 3, 4-4.5 mm long, connate for 1 mm at base, strongly recurved.

Fruit

Subglobose, 13-15 mm long x 18 mm diameter, covered with minute prickles (muriculate). Seeds 9 mm long x 7 mm wide x 1.5-2 mm thick, smooth, shiny brown.

Seedlings

Features not available.

Distribution and Ecology

Endemic to Queensland. Occurs in NEQ. Known from a few populations between Cooktown and Mossman. Altitudinal range from near sea level to about 760 m. Grows along watercourses in well developed rain forest on rocky alluvia derived from granite.

Natural History

This species may be distinguished from others most readily by the number of lateral veins (8-10), larger stipules (2.2-4 x 1.8-2.2 mm), and the longer (4-4.5 mm) and recurved styles.

NEQ

X

Tree

X

RFK Code

1180