familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Cristati
speciesPenstemon triflorus
Difference between revisions of "Penstemon triflorus var. triflorus"
IllustratedEndemic
Synonyms: Penstemon helleri Small
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Latest revision as of 20:31, 5 November 2020
Cauline leaves: blade ovate to lanceolate, margins sharply serrate. Flowers: calyx lobes 8–13 × 3–4.8 mm; corolla 30–35 mm.
Phenology: Flowering Mar–Jun(–Jul).
Habitat: Limestone prairies and bluffs.
Elevation: 200–600 m.
Discussion
Variety triflorus has been documented in Bandera, Bexar, Brown, Burnet, Coleman, Gillespie, Hays, Kendall, Kerr, Real, Runnels, Schleicher, Sutton, and Uvalde counties. Plants with white or pale pink corollas, relatively short peduncles and pedicels, more continuous inflorescences, and broader leaf bases have been called Penstemon helleri.
Selected References
None.
Lower Taxa
None.