Agrostis blasdalei

Hitchc.
Common names: Blasdale's bent
Endemic
Synonyms: Agrostis blasdalei var. marinensis
Treatment appears in FNA Volume 24. Treatment on page 656.
Please click on the illustration for a higher resolution version.
Illustrator: Sandy Long

Copyright: Utah State University

Plants perennial; forming dense, stiff clumps, not rhizomatous or stoloniferous. Culms 6-30 cm, decumbent to erect. Leaves forming a dense, bristly basal tuft; ligules 0.7-2.3 mm, dorsal surfaces scabridulous, apices truncate to obtuse, often erose, sometimes lacerate or ciliolate; blades 2-5 cm long, less than 1 mm wide, soon becoming tightly inrolled and rigid. Panicles 2-8 cm long, 0.2-0.6 cm wide, narrowly cylindric, spikelike, dense, occasionally interrupted near the base, the base often enclosed by the upper sheaths; branches to 2 cm, scabrous, strongly appressed, hidden by the spikelets; pedicels 0.5-7 mm. Spikelets lanceolate to narrowly ovate, greenish to purplish. Glumes 1.8-4 mm, often 3-veined, midveins scabrous to smooth, acute to acuminate; calluses glabrous; lemmas 1.5-2.5 mm, 5-veined, veins obscure or prominent distally, extending as teeth to 0.2 mm, unawned or awned from above midlength, awns to 1.2 mm, usually scarcely exceeding the lemma apices, straight; paleas to 0.3 mm, thin; anthers 3, 0.7-2 mm. Caryopses 1-1.5 mm; endosperm liquid. 2n = 42.

Discussion

Agrostis blasdalei is a xerophytic species that is known only from Mendocino to Santa Cruz counties, California, where it grows on coastal cliffs and dunes and in shrublands. It hybridizes with A. densiflora (p. 651).

Selected References

None.

Lower Taxa

None.

"decumbent" is not a number.

... more about "Agrostis blasdalei"
membranous +  and scarious +
not penicillate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
awned +, truncate +  and entire +
Lacerate (?) +, Truncate (?) +  and Obtuse (?) +
M.J. Harvey +
Hitchc. +
1 (?) +  and 3 (?) +
straight +
basal +  and terminal +
geniculate +
0 cm0 mm <br />0 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
rounded +  and keeled +
pseudopetiolate +  and branching +
intravaginal +, extravaginal +, branching +  and basal +
swelling +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
not evident +
scabridulous +
cross +, linear +  and narrowly lanceolate +
0mm;1mm +
spikelike +
Blasdale's bent +
not branching +
decumbent +  and erect +
6 cm60 mm <br />0.06 m <br /> (30 cm300 mm <br />0.3 m <br />) +
not woody +
1/4 +  and 1/3 +
capillary +
pistillate +  and staminate +
sometimes longer +
sterile +  and bisexual +
compressed +
reduced +
(1)1.3-2(4) times longer than +
subtending +
unequal +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
uncinate +
diffuse +  and dense +
pubescent +  and glabrous +
warty-tuberculate +  and scabridulous +
lanceolate +  and ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
membranous +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
membranous +
inconspicuous +
lanceolate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
acute +  and acuminate +
concealed +  and prominent +
2 +  and 1 +
well-developed +
2-keeled +
minute +  and subequal +
0 cm0 mm <br />0 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
2cm +  and 8cm +
spikelike +  and cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
dry +  and fleshy +
not prolonged +
hairy +  and glabrous +
scabrous +  and scabridulous +
greenish +  and purplish +
1 +  and 60 +
lanceolate +  and narrowly ovate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1 (?) +  and 3 (?) +
simple +  and compound +
2 (?) +  and 3 (?) +
Agrostis blasdalei var. marinensis +
Agrostis blasdalei +
Agrostis +
species +
membranous +
2 +  and 5 +
not convergent +
prominent +  and obscure +
scabrous +  and scabridulous +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
stoloniferous +  and not rhizomatous +
aquatic +  and terrestrial +