Dudleya abramsii subsp. abramsii

Conservation concern
Treatment appears in FNA Volume 8. Treatment on page 184. Mentioned on page 183.

Caudices 2–5-branched, 1–1.5 cm diam. Leaves: rosettes 3–50+; blade oblong, terete, 2–6 (–11) × 0.6–1.2 (–1.8) cm. Inflorescences: floral shoots 2–15 × 0.1–0.3 cm; proximalmost leaf-blades 4–15 (–40) mm; branches 2–3, simple. Pedicels 1–5 mm. Flowers: calyx 3–5 × 3–4 mm; petals connate 2–4.5 mm, pale-yellow, red-lineolate, 8–12.5 × 2–2.5 (–3) mm, tips often strongly outcurved. 2n = 34.


Phenology: Flowering late spring.
Habitat: Rock crevices in mountains, especially on granite
Elevation: 300-1900 m

Distribution

V8 366-distribution-map.gif

Calif., Mexico (Baja Calfornia)

Discussion

Of conservation concern.

Subspecies abramsii occurs in the Peninsular Ranges of southern California and northern Baja California. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.
perigynous +  and hypogynous +
acute +  and subacuminate +
Reid V. Moran +
Rose in N. L. Britton and J. N. Rose +
0.5cm +  and 1.5cm +
elliptic or oblong to oblong-lanceolate or tapering +  and linear +
6 cm60 mm <br />0.06 m <br /> (11 cm110 mm <br />0.11 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
lobed +  and toothed +
terete +  and oblong +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
bifurcate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 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 />) +
5-gonal +  and tubular +
1-4-branched +
obpyramidal +
Calif. +  and Mexico (Baja Calfornia) +
300-1900 m +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
branched +  and simple +
erect;pendent +
erect;spreading +
Rock crevices in mountains, especially on granite +
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 />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
pale-yellow +
8mm;12.5mm +
ascending +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering late spring. +
(3-)4-5(-12)[-30+]-carpellate +
not gibbous +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
in N. L. Britton and J. N. Rose, New N. Amer. Crassul., +
not 10-20(-30)-leaved +
cross-ribbed +  and ribbed +
1 +  and many +
Conservation concern +
adnate +  and free +
antipetalous +
2-branched +  and simple +
distinct +
glaucous +  and not farinose +
Dudleya abramsii subsp. abramsii +
Dudleya abramsii +
subspecies +
outcurved +
cylindric +  and 5-gonal +
perennial +, biennial +  and annual +