Australian Tropical Rainforest Plants - Online edition

Ardisia brevipedata F.Muell.


Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Flowers. © CSIRO
Leaves and fruit. © G. Sankowsky
Fruit, two views, cross section and seed. © W. T. Cooper
Leaf. CC-BY J.L. Dowe
More or less 7th leaf stage. © CSIRO
Cotyledon and 1st leaf stage, epigeal germination. © CSIRO
10th leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
Family

Mueller, F.J.H. von (1868) Fragmenta Phytographiae Australiae 6: 163. Type: Rockingham Bay, 16 October `868, Dallachy s.n.

Common name

Rambling Spearflower

Stem

Occasionally grows into a small tree but usually flowers and fruits as a shrub 1-4 m tall.

Leaves

Leaves spirally arranged. Leaf blades about 16.5-20 x 4.5 cm, petioles about 0.7-0.8 cm long. Venation not obvious on either the upper or lower surface of the leaf blades. Oil dots mainly elongate, reddish in colour.

Flowers

Peduncles about 5-10 mm long. Pedicels about 4-10 mm long. Flowers about 3 mm diam. Calyx and petals translucent green marked by reddish-brown oil glands. Calyx tube about 1.5 mm long, lobes about 0.5 mm long. Petals about 2.5 mm long. Anthers narrowly triangular in outline, about 1.5 mm long, filaments about 0.5 mm long. Style about 1.5-2.5 mm long. Ovules 3, 1 per locule.

Fruit

Pedicels slender. Calyx 5-lobed, persistent at the base of the fruit. Fruits depressed globular, 8-13 mm diam. Seeds longitudinally striated, about 5-6 mm diam.

Seedlings

Cotyledons linear, about 5-7 x 1-2 mm, oil dots reddish. First pair of leaves with numerous, red, elongated oil dots. At the tenth leaf stage: leaf oil dots red and numerous with elongated oil dots usually visible at least close to the midrib. Lateral veins forming loops inside the blade margin. Petiole winged. Terminal bud, petiole and stem clothed in short, erect, red, glandular hairs. Seed germination time 138 to 194 days.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ from the Bloomfield-Windsor Tableland area southwards as far as Paluma. Altitudinal range from near sea level to 1400 m. Grows as an understory plant in well developed lowland, upland and mountain rain forest.

Synonyms
Bladhia brevipedata (F.Muell.) F.Muell., The Victorian Naturalist 8: 16(1891).
RFK Code
3115
Copyright © CSIRO 2020, all rights reserved.