familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Saccanthera
speciesPenstemon laetus
varietyPenstemon laetus var. laetus
Penstemon laetus var. laetus
Endemic
Treatment appears in FNA Volume 17. Treatment on page 237.
Flowers: calyx lobes ovate to lanceolate, 4–8.5 × (1–) 2–2.8 mm; anthers ovate to elliptic in outline, pollen-sacs 1.8–2.3 mm. 2n = 16.
Phenology: Flowering (Mar–)Apr–Jul.
Habitat: Oak and pine-oak woodlands, pine forests.
Elevation: 400–2500 m.
Discussion
Variety laetus occurs from the southern Cascade Range of northern California through the Sierra Nevada to the Western Transverse Ranges of southwestern California. As discussed by D. D. Keck (1932), corolla lengths and leaf sizes usually are larger among plants in the southern part of the range as compared to plants in the north.
Selected References
None.
Lower Taxa
None.
"/4+timescorollathroat" is not declared as a valid unit of measurement for this property.
... more about "Penstemon laetus var. laetus"
hypogynous +
ovate;elliptic +
acute +
glandular-pubescent +
petiolate +
simple +
few +
leathery +
tapered to truncate +
oblanceolate;lanceolate or linear +
absent +
smaller +
symmetric +
4mm;8.5mm +
glandular-pubescent +
ovate;lanceolate +
2mm;2.8mm +
not surrounding +
glabrous +
rhizomelike +
herbaceous +
woody +
sessile +
splitting +
symmetric +
diam +
ampliate +
1-5-flowered +
Calif. +
drupe-like +
absent +
glabrous +
bisexual +
packed +
septicidal +
white +
pointed +
membranous +
cymose +
opposite +
cauline +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
herbaceous +
scarious +
violet +
violet +
violet +
axile +
spiciform +
appressed +
absent +
glandular-pubescent +
appressed +
spreading;ascending +
glandular-pubescent +
hypogynous +
connate +
absent +
absent +
2-carpellate +
parallel +
navicular-sigmoid +
indehiscent +
explanate +
navicular +
short-petiolate +
lanceolate +
Proc. Boston Soc. Nat. Hist. +
1859 +
absent +
5;40 +
connate +
Endemic +
shrubby +
didynamous +
adnate +
longer +
included +
absent +
glabrous +
flattened +
equal +
decumbent;ascending or erect +
basal +
absent +
hairy +
capitate +
absent +
glabrous +
papillate +
denticulate +
Penstemon laetus var. laetus +
Penstemon laetus +
variety +
not constricted +
interrupted +
cylindric +
straight +
glabrous +
perennial +
autotrophic +
fleshy +
absent +
narrow +