Species Identification

Interested in the identification of penstemons? Please select a species then click on submit:

AttributeThe current selection is Penstemon_eximeus
ClassificationPenstemon Penstemon Peltanthera Peltanthera
GeneralExceptional Penstemon The species name was first (and correctly) spelled “eximius” and is said to be similar to typical variants of P. palmeri. Keck quotes Brandegee as saying the plants he collected were eight feet high. R. Nold, Penstemons. Blooms: Feb. to June depending upon percipitation.
AntherOpen wide, flat.
StaminodeNot exserted, 1/3 length of corolla (shortest of any in section Peltanthera, with short beard most of its length.
LeavesLower ones (most numerous) to 12 cm (4 ¾”) long & ¼ as wide, upper leaves to 7 cm (2 ¾”) long, sharply toothed, glaucous (bluish)
Stems6-20 dm (24-80 “) tall (rarely to 28 dm, the tallest recorded penstemon).
InflorescenseCyme 1-2 flowered.
Corolla25-35 mm (7/8-1 ¼”) long, white tinged pink or cream with red-violet guidelines, balloon-shape, lightly honey-scented and secund (one-side of stem).
Flower Color
Calyx5-7 mm (1/4”) long.
HabitatHot, rocky, low elevations.
RangeNorthern Baja CA, MEX.