Petradoria pumila var. graminea
Great Basin Naturalist 43: 324. 1983.
Common names: Grass-leaved rock goldenrod
Endemic
Basionym: Petradoria graminea Wooton & Standley Contr. U.S. Natl. Herb. 16: 183. 1913
Synonyms: Petradoria pumila subsp. graminea (Wooton & Standley) L. C. Anderson
Stems 10–25 cm. Leaf-blades usually 1 (–3) -nerved, linear to narrowly lanceolate, 30–90 × 1–2 mm. Heads 10–25. Involucres 5–8 × 1.3–2 mm. Phyllaries 11–15. Ray-florets usually 1; corollas 5–7.5 mm, laminae 0.7–1.5 mm wide. Disc-florets 2–3; corollas 4–5.8 mm, lobes 0.5–1 mm. 2n = 18.
Phenology: Flowering mid summer–fall.
Habitat: Dry, open, rocky habitats
Elevation: 1500–2500 m
Distribution
Ariz., N.Mex., Utah.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Petradoria pumila var. graminea"
introrse +
connate +
darker +
distinct +
herbaceous +
mucronate;acute;attenuate obtuse +
scarious +
absent +
hirsute +
papillate +
continuous +
clasping +
1-5-nerved +
linear;lanceolate or oblanceolate +
ribbed +
1mm;2mm +
linear-lanceolate +
stigmatic +
barbellate +
persistent +
30;60 +
unequal +
absent +
woody +
reduced +
developed +
coriaceous +
Grass-leaved rock goldenrod +
yellow +
absent +
6-9-nerved +
dimorphic +
glabrous +
4mm;5mm +
staminate +
staminate +
straight +
resinous +
gland-dotted +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
10;25 +
surrounding +
cylindric;turbinate +
elliptic +
2.5mm;4.5mm +
0.7mm;1.5mm +
1(-3)-nerved +
linear;narrowly lanceolate +
1mm;2mm +
alternate +
erect;spreading +
triangular +
raised +
scabrous +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
resinous +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
distinct +
falling +
chartaceous +
unequal +
Great Basin Naturalist +
1983 +
spiral +
vertical +
pistillate +
absent +
fertile +
epaleate +
pitted +
convex +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
simple +
resin-coated +
erect +
glabrous +
scabridulous +
absent +
subulate +
2-branched +
glabrous +
absent +
thickened +
Petradoria pumila var. graminea +
Petradoria pumila +
variety +
expanded +
tubular +
perennial +