Australian Tropical Rainforest Plants - Online edition

Sphaerantia chartacea Peter G.Wilson & B.Hyland


Tree
Click/tap on images to enlarge
Leaves [not vouchered]. © G. Sankowsky
Underside of leaves [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
Family

Wilson, Peter G. & Hyland, B.P.M. (1988) Telopea 3(2): 262. Type: Qld, Timber Reserve 176, Monkhouse, Shipton Logging Area, 15 deg 48 S 145 deg 16 B, Hyland 12301, 21.10.1982; holo: QRS; iso: NSW.

Common name

Shipton's Penda

Stem

Coppice shoots normally present at the butt.

Leaves

Oil dots very numerous, normally visible to the naked eye. Leaf blades about 6-9 x 2-3.5 cm. Younger leafy twigs 4-angled or shortly 4-winged.

Flowers

Inflorescence up to 12 cm long. Hypanthium about 5-7 mm broad, clothed in a fine, short indumentum. Sepals broadly deltoid to semicircular, about 2 x 2-3.5 mm, both surfaces clothed in a fine short indumentum. Petals ovate-orbicular, about 2.5-3.5 x 2-3 mm, dotted with oil glands. Stamens numerous, about 16-22 in each fascicle, filaments about 0.9-3.2 mm long, with a few spreading hairs at the base. Ovary sparsely hairy, ovules about 20-30 per locule. Style up to 3 mm long.

Fruit

Fruits about 12-16 mm diam. Seeds irregularly ovoid, about 6 x 4-5 mm.

Seedlings

Cotyledons lobed, butterfly-like, about 10-15 x 16-22 mm, apex broadly emarginate, base truncate or obtuse. Oil dots numerous, small. At the tenth leaf stage: leaf blade obovate or elliptic, apex acuminate, base attenuate, glabrous; oil dots numerous, midrib raised on the upper surface. Cataphylls present among the true leaves. Seed germination time 10 days.

Distribution and Ecology

Endemic to NEQ, restricted to the area on the western fall of Mt Finnigan. Altitudinal range from 350-600 m. Grows in gallery forest along the banks of perennial creeks.

RFK Code
755
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