Dudleya abramsii subsp. murina

(Eastwood) Moran

Madroño 14: 106. 1957 ,.

Common names: San Luis Obispo dudleya
EndemicConservation concern
Basionym: Dudleya murina Eastwood Proc. Calif. Acad. Sci., ser. 4, 20: 147. 1931
Treatment appears in FNA Volume 8. Treatment on page 184. Mentioned on page 183, 185.

Caudices simple or 1–3-branched, 1–3 cm diam. Leaves: rosettes 1–5; blade oblong-lanceolate or tapering from base, subterete, 5–10 × 0.5–2 cm. Inflorescences: floral shoots 5–25 × 0.2–0.6 cm; proximalmost leaf-blades 10–30 mm; branches 2–3, simple. Pedicels 1–5 mm. Flowers: calyx 4–6 × 4–5 mm; petals connate 1.5–3 mm, straw yellow, marked with purplish red, 9–14 × 3–3.5 mm, tips erect. 2n = 34.


Phenology: Flowering late spring.
Habitat: Serpentine soil
Elevation: 100-600 m

Discussion

Of conservation concern.

Subspecies murina is locally common on serpentine soil near San Luis Obispo.

Selected References

None.

Lower Taxa

None.
perigynous +  and hypogynous +
acute +  and subacuminate +
Reid V. Moran +
(Eastwood) Moran +
0.5cm +  and 1.5cm +
Dudleya murina +
elliptic or oblong to oblong-lanceolate or tapering +  and linear +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lobed +  and toothed +
subterete +, tapering +  and oblong-lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
bifurcate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1-3-branched +  and simple +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
elongate +
whorled +, opposite +  and alternate +
2-10(-18)-flowered +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
San Luis Obispo dudleya +
5-gonal +  and tubular +
1-4-branched +
obpyramidal +
100-600 m +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
branched +  and simple +
erect;pendent +
erect;spreading +
Serpentine soil +
axillary +  and terminal +
sessile +, petiolate +  and subclasping +
alternate +  and crowded +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
triangular-lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
usually connivent;adjacent +
wider than tall +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
perigynous +  and hypogynous +
1.6 cm16 mm <br />0.016 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
straw yellow +
9mm;14mm +
ascending +  and erect +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Flowering late spring. +
(3-)4-5(-12)[-30+]-carpellate +
not gibbous +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not 10-20(-30)-leaved +
cross-ribbed +  and ribbed +
1 +  and many +
Endemic +  and Conservation concern +
adnate +  and free +
antipetalous +
2-branched +  and simple +
distinct +
glaucous +  and not farinose +
Dudleya abramsii subsp. murina +
Dudleya abramsii +
subspecies +
cylindric +  and 5-gonal +
perennial +, biennial +  and annual +