Family: Proteaceae
Petrophile
Citation:
R. Br. ex J. Knight, Cult. Proteaceae 92 (1809).
Derivation: Greek, petra, rock; philos, lover.
Synonymy: Not Applicable Common name: None
Description:
Shrubs; leaves rigid, simple or compound, the blade or segments entire, toothed or lobed.
Flowers bisexual, in dense spikes (cones) subtended by empty outer bracts, each flower within a bract (cone scale) larger than the outer bracts, the rhachis usually cylindrical, woolly-tomentose, the bracts and scales persistent, hardening in fruit; perianth regular, tube slender, dividing into 4 linear segments from the base or (outside S. Aust.) remaining united, laminae linear; stamens perfect; anthers 2-celled, free, sessile at the base of the laminae, apiculate by extension of the connective; hypogynous glands or scales absent; ovary sessile, 1-ovulate; style terminal, filiform; pollen-presenter variously dilated at the base continuous with or (outside S. Aust.) narrowed into a usually pubescent zone (brush), the apex narrowed and glabrous.
Fruiting cone with persistent imbricate woody cone scales; fruit a small dry indehiscent nut.
Distribution:
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A temperate Australian genus of about 42 species, most diverse in south-west W.Aust.; with Isopogon called cone-bushes.
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Biology:
No text
Author:
Not yet available
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