Australian Tropical Rainforest Plants banner
  • Species information
  • About
  • Resources
  • Home
banner
ABCDEFGHIJKLMNOPQRSTUVWXYZ

Click on images
to enlarge



Herbarium specimen. Copyright DERM

Elephantopus scaber

Family

Asteraceae

Botanical Name

Elephantopus scaber L.

Linnaeus, C. (1753) Species Plantarum Edn. 1 2: 814. Type: Habitat in Indiis.

Weed

*

Stem

Herb with a basal rosette of leaves.

Leaves

Leaf blades 60-100 x 20-28 mm, petioles up to 5 mm long but difficult to distinguish from the attenuate base of the leaf blades which often clasps the stem. Surfaces of the leaf blade finely warty, clothed in white hairs (somewhat scabrous) and densely glandular. Leaves on non flowering branches scattered along stems.

Flowers

Inflorescence dichotomously branched; flower heads glomerate, 20-50 together, glomerules single or double on peduncles 4-20 cm long with scabrid appressed hairs; bearing 3 cordate to deltoid-ovate leaves at the base of the glomerules. Glomerulessurrounded by a row of boat-shaped sharply acuminate scalres; heads 4-flowered, 8-10 x 2 mm thick. Involucre with 2 rows of 4 scales; corolla 7-9 mm long, glabrous, style hairy in upper part.

Fruit

Achene oblong-linear with ca.10 ribs, pubescent between the ribs, about 4 x 0.5 mm long; pappus consists of 5 spreading and stiff bristles, about 5 mm long.

Seedlings

Features not available.

Distribution and Ecology

An annual herb native to Tropical America and the Caribbean Islands but naturalized in Australia occurring in NT, CYP, NEQ and WA. Altitudinal range from 5-660 m. Found in margins of rainforest, in sclerophyll forest, open Eucalyptus and Melaleuca Forest and in various types of woodland and grassland.

Natural History

A weed of disturbed places. Leaves used as a medicine in India (Webb 1948).

NT

X

CYP

X

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

RFK Code

4026