Teesdalia W.T.Aiton

Shepardscress (en), Téesdalie (fr)

Genus

Angiosperms > Brassicales > Brassicaceae

Characteristics

Annuals [perennials]; scapose; glabrous or sparsely pubescent. Stems (simple or few to several from base), erect or ascending, unbranched. Leaves basal and cauline; petiolate or sessile; basal (persistent), rosulate, petiolate, blade margins usually lyrate-pinnatifid or pinnatisect, rarely entire or dentate; cauline (0-4), sessile, blade margins entire or dentate. Racemes (corymbose, several-flowered). Fruiting pedicels divaricate, slender. Flowers (actinomorphic or zygomorphic); sepals ascending to spreading, ovate, glabrous; petals white, oblong or obovate, (equal to or longer than sepals, or lateral pair much larger), claw undifferentiated from blade, (apex obtuse); stamens (6) tetradynamous, or (4) equal; filaments dilated basally (appendaged); anthers ovate; nectar glands lateral, 1 on each side of lateral stamen, median glands absent. Fruits (often divaricate), sessile, broadly obcordate to suborbicular, slightly keeled, angustiseptate (strongly compressed), (apex notched); valves prominently veined, (apex narrowly winged), glabrous; replum rounded; septum complete; ovules 4 per ovary; style absent or not; stigma capitate, entire. Seeds uniseriate, slightly compressed, not winged, broadly ovate; seed coat (rugulose), copiously mucilaginous when wetted; cotyledons accumbent. x = 9.
More
Annual herbs. Inflorescence ebracteate. Sepals erect to spreading. Petals dimorphic. Stamens 4 or 6, the filaments appendiculate. Nectariferous glands 4, small, on either side of the lateral stamens, rarely absent. Stigma capitate. Silicula dehiscent, winged, emarginate; septum narrow. Seeds 2 per locule; radicle accumbent.
Life form annual
Growth form herb
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Sexuality hermaphrodite
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Environment

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Hardiness (USDA) 4-9

Usage

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Edible -
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Cultivation

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Images

Teesdalia unspecified picture
Teesdalia unspecified picture

Distribution

Teesdalia world distribution map, present in Australia and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:327808-2
WFO ID wfo-4000037678
COL ID 63TM3
BDTFX ID 87295
INPN ID 198252
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Teesdalia Teesdaliopsis Guepinia

Lower taxons

Teesdalia coronopifolia Teesdalia conferta Teesdalia nudicaulis