Lessingia glandulifera var. peirsonii
Madroño 52: 60. 2005.
Common names: Peirson’s lessingia
Endemic
Basionym: Lessingia germanorum var. peirsonii J. T. Howell Univ. Calif. Publ. Bot. 16: 26, figs. 25–30. 1929
Synonyms: Lessingia lemmonii var. peirsonii (J. T. Howell) Ferris
Treatment appears in FNA Volume 20. Treatment on page 454.
Stems villous to tomentose. Abaxial leaf faces tomentose. Involucres obconic, 5–6 mm. Phyllaries tomentose. Disc-florets 10–25; style-branch appendages lanceolate, 0.6–1.3 mm. 2n = 10.
Phenology: Flowering May–Sept.
Habitat: Dry foothills, desert washes, roadsides, usually sandy soils
Elevation: 900–2100 m
Discussion
Variety peirsonii is known from the northwestern Transverse Range (northwestern Los Angeles and south-central Kern counties), the Piute Mountains (Kern County), and the western Mojave Desert (eastern Kern County). The leaves have a dense tomentum that is only partly lost in age. The involucres are persistently tomentose.
Selected References
None.
Lower Taxa
None.
... more about "Lessingia glandulifera var. peirsonii"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
withering +
decurrent +
1-nerved +
obovate;lanceolate linear or subulate +
ribbed +
stigmatic +
persistent +
absent +
Peirson’s lessingia +
yellow +
absent +
dimorphic +
staminate +
Calif. +
straight +
singly +
sessile-glandular +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
discoid +
indeterminate +
scarious +
surrounding +
obconic +
alternate +
tomentose +
spreading;erect +
lanceolate +
2-carpellate +
inferior +
attached +
anatropous +
barbellate +
persistent +
longer +
equaling +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
distinct +
herbaceous +
falling +
tomentose +
cartilaginous +
unequal +
Madroño +
2005 +
absent +
sterile +
epaleate +
pitted +
convex +
fibrous +
exalbuminous +
modifed +
1;2 +
Endemic +
alternate +
tan +
erect +
lanceolate +
2-branched +
glabrous +
Lessingia glandulifera var. peirsonii +
Lessingia glandulifera +
variety +
taprooted +
annual +