Revision as of 21:35, 6 October 2024 by imported>Volume Importer
Herbs hispid, hairs simple and 2- or 3-branched, jointed, 0.5–2 mm. Stems erect. Pedicels 13–46 mm, 25–55 mm in fruit. Flowers: calyx 6–12 mm; corolla 10–17 mm; anthers yellow, rarely blue-tinged, 1–3 mm. Fruiting calyces 25–40 mm. 2n = 24.
Phenology: Flowering Mar–Sep.
Habitat: Dry, rocky soil, prairies, fields, disturbed habitats.
Elevation: 100–600 m.
Distribution
Ark., Ill., Iowa, Kans., La., Mo., Nebr., Okla., Tex.
Discussion
Variety pumila is morphologically distinguishable by the abundance of two- or three-branched hairs. It is found in dry rocky soil on the eastern Great Plains.
Selected References
None.
Lower Taxa
None.