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The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

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Keraudrenia J.Gay

This name is not current. Find out more information on related names.

Reference
Mém.Mus.Hist.Nat. 7:461 (1821)
Name Status
Not Current

Scientific Description

Family Sterculiaceae.

(Subfamily Byttnerioideae), Tribe Lasiopetalae.

Habit and leaf form. Shrubs; non-laticiferous and without coloured juice. ‘Normal’ plants. Leaves well developed. Plants with roots; non-succulent. Leaves cauline. To 0.5–1.5 m high. Self supporting. Mesophytic. Not heterophyllous. Leaves small, or medium-sized; alternate; distichous; with blades; petiolate. Petioles wingless. Leaves with ‘normal’ orientation; simple; not peltate. Leaf blades neither inverted nor twisted through 90 degrees; dorsiventral; entire; flat; linear, or ovate; pinnately veined; cross-venulate; cordate, or rounded at the base (or obtuse). Mature leaf blades adaxially pubescent (densely stellate hairy); abaxially pubescent (densely stellate hairy). Leaves with stipules. Stipules intrapetiolar; free of the petiole; free of one another; spiny; caducous (usually), or persistent. Leaf blade margins entire, or serrate, or dentate. Leaf anatomy. Hairs present; complex hairs present. Complex hairs stellate.

Reproductive type, pollination. Fertile flowers hermaphrodite. Unisexual flowers absent. Plants hermaphrodite. Plants homostylous.

Inflorescence and flower features. Flowers aggregated in ‘inflorescences’, or solitary; not crowded at the stem bases. Inflorescence few-flowered. Flowers in cymes. Inflorescences simple; terminal (or opposite the upper leaves). Flowers pedicellate (, pedicels articulate near middle in K. velutina); ebracteate; bracteolate; small; regular; not resupinate; neither papilionaceous or pseudo-papilionaceous; 4 merous, or 5 merous; cyclic; tricyclic, or tetracyclic (usually). Floral receptacle with neither androphore nor gynophore. Perianth with distinct calyx and corolla; 4, or 5, or 10; 1 -whorled, or 2 -whorled; isomerous. Calyx present; 4, or 5; 1 -whorled; gamosepalous; lobed. Calyx lobes markedly shorter than the tube. Calyx hairy (densely stellate hairy); valvate; exceeding the corolla (when corolla is present); broad; regular; neither appendaged nor spurred; pink, or purple. Epicalyx absent. Corolla vestigial, or absent; 5 (scale-like when present); 0 -whorled, or 1 -whorled. Androecium present. Fertile stamens present. Androecial members definite in number. Androecium 5–10. Androecial members free of the perianth; free of the gynoecium; markedly unequal; free of one another, or coherent (stamens and staminodes shortly connate at the base into staminal tube); 1 - adelphous; 1 -whorled. Androecium exclusively of fertile stamens, or including staminodes. Staminodes 5 (when present); non-petaloid. Stamens 5; all more or less similar in shape; isomerous with the perianth; alternisepalous; filantherous. Anthers separate from one another; all alike; dehiscing via longitudinal slits; bilocular. Fertile gynoecium present. Gynoecium 3–5 carpelled. The pistil 3–5 celled. Carpels reduced in number relative to the perianth, or isomerous with the perianth. Gynoecium syncarpous; synovarious, or synstylovarious, or eu-syncarpous; superior. Ovary plurilocular; 3–5 locular; subsessile. Ovary summit glabrous, or hairy, the hairs not confined to radiating bands. Gynoecium stylate. Styles 3–5; free, or partially joined; simple; apical. Placentation axile.

Fruit and seed features. Fruit hairy, or not hairy; a schizocarp. Dispersal unit the seed. Fruit 3–5 seeded. Seeds 1 per locule.

Geography, cytology, number of species. Native of Australia. Endemic to Australia. Australian states and territories: Western Australia and Northern Territory. Northern Botanical Province. A genus of ca 8 species; 5 species in Western Australia; ca 1 endemic to Western Australia.

Additional comments. Named after P.F. Keraudren, 1769–1851, a French naturalist.