Duperreya
Accepted name/Authority/Place of publication:
DUPERREYA Gaudichaud. 1829. Botany In L. Freycinet. Voyage autour du monde. vol. 1: 452.
Tribe:
Cardiochlamyeae
Type Species:
Duperreya sericea Gaud.
Habit:
Slender, suffrutescent, sericeous twiners. Roots fibrous.
Leaves:
Leaf blade linear-oblong, entire, chartaceous, venation with a single pair of secondary veins departing above blade base; petiole terete.
Flowers:
Flowers solitary, axillary; bracteoles 2, sepaloid, borne just below calyx, persisting. Sepals 5, free, quincuncial, (sub)equal, about ¾ as long as corolla. Corolla campanulate (or broadly funnelform), subentire to 5-toothed, contortiplicate, lobe apices with abaxial hair tuft (rarely sparsely sericeous along interplicae), otherwise glabrous. Stamens 5, included, filaments fused below to corolla tube, free above, glabrous; anthers ellipsoid, longitudinally dehiscing prior to anthesis; pollen 3-colpate, nonspinose. Pistil included or exserted; disc annular; ovary 1- or 2-celled; ovules 2, basal, erect; style terminal, simple; stigma 1, biglobose.
Pollen:
Pollen 3-colpate, nonspinose.
Fruits:
Utricle chartaceous, ± enclosed in accrescent calyx; fruiting calyx with all sepals equally enlarged, scarious, veins 3 or 5, parallel, longitudinal.
Seeds:
Seed 1, smooth, glabrous; hilum basal, circular.
Distribution:
Endemic in Australia. map
Countries:
Australia
Number of Species:
3
References:
. 2006. A revision of Asiatic Poraneae (Convolvulaceae)-- Cordisepalum, Dinetus, Duperreya, Porana, Poranopsis, and Tridynamia.. Blumea. 51:403--491
. 2009. Duperreya Gaudich. (Convolvulaceae) revisited. Austrobaileya. 8:47-54.
Contributors:
