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Phoenicaulis
Family:
Brassicaceae
Steve Matson
FNA
Resources
Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
Perennials;
(caudex well-developed, woody, covered with persistent petiolar remains); not scapose; glabrous or pubescent, trichomes finely dendritic.
Stems
erect, usually unbranched, rarely branched distally.
Leaves
basal and cauline; petiolate or sessile; basal (persistent), rosulate, long-petiolate, blade margins entire; cauline sessile, blade (base auriculate), margins entire.
Racemes
(corymbose, several-flowered), considerably elongated in fruit.
Fruiting pedicels
divaricate, slender.
Flowers:
sepals (erect), oblong, (lateral pair saccate basally); petals purple or lavender, spatulate to oblanceolate, (longer than sepals, apex obtuse); stamens tetradynamous; filaments not dilated basally; anthers oblong, (apex obtuse); nectar glands confluent, lateral annular.
Fruits
sessile or stipitate, lanceolate to linear, not torulose, latiseptate; valves each with prominent midvein (lateral veins often conspicuous), glabrous; replum rounded; septum complete, (opaque); ovules (6-)8-16(-18) per ovary; stigma capitate.
Seeds
uniseriate, slightly flattened, not winged, oblong to broadly ovate; seed coat (smooth), not mucilaginous when wetted; cotyledons accumbent.
x
= 7.
Phoenicaulis cheiranthoides
Map not
Available