Difference between revisions of "Streptanthella"
Fl. Rocky Mts., 364, 1062. 1917.
FNA>Volume Importer |
imported>Volume Importer |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 42: | Line 42: | ||
|publication year=1917 | |publication year=1917 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1208.xml |
|tribe=Brassicaceae tribe Thelypodieae | |tribe=Brassicaceae tribe Thelypodieae | ||
|genus=Streptanthella | |genus=Streptanthella | ||
Latest revision as of 22:30, 5 November 2020
Annuals; not scapose; (often glaucous), glabrous throughout. Stems erect, usually branched distally, rarely unbranched. Leaves basal and cauline; petiolate or sessile; basal not rosulate, petiolate, blade similar to cauline; cauline petiolate or sessile, blade (base not auriculate), margins entire, dentate, sinuate, or pinnatifid. Racemes (corymbose, several-flowered, lax), considerably elongated in fruit. Fruiting pedicels usually reflexed, rarely divaricate, slender or stout. Flowers: sepals erect, oblong, (unequal), lateral pair subsaccate basally; petals white or yellow (often veins purplish), spatulate, (slightly exceeding sepals, margins crisp), claw well-differentiated from blade, (apex obtuse); stamens in 3 unequal pairs; filaments not dilated basally; anthers ovate to oblong, (apiculate); nectar glands lateral, semi-annular, subtending lateral stamens, median glands absent. Fruits sessile, linear, smooth, latiseptate; valves each with prominent midvein; replum rounded or slightly flattened; septum complete; ovules (12–)16–28(–34); style distinct, (well-developed, adnate with valves and replum apex); stigma subentire. Seeds uniseriate, flattened, winged, oblong; seed coat not mucilaginous when wetted; cotyledons incumbent. x = 7.
Distribution
w United States, nw Mexico.
Discussion
Species 1.
Selected References
None.