Dudleya virens subsp. virens

Synonyms: Dudleya albida (Rose) P. H. Thomson Stylophyllum albidum Rose
Treatment appears in FNA Volume 8. Treatment on page 174.

Caudices to 2+ dm × 1–3 cm. Rosette leaf-blades usually green, triangular-lanceolate to linear-lanceolate, 5–15 × 1–1.5 cm, surfaces sometimes farinose. Inflorescences: floral shoots 2–4.5 dm × 4–7 mm; cyme mostly obpyramidal; branches 1–3 times bifurcate; cincinni 5–12-flowered, 3–5 cm. Corollas ca. 16–20 mm diam. 2n = 34.


Phenology: Flowering spring.
Habitat: Cliffs, flat terraces, and rocky banks near sea
Elevation: 0-400 m

Discussion

Of conservation concern.

Subspecies virens is endemic to San Clemente Island.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

perigynous +  and hypogynous +
Reid V. Moran +
(Rose) Moran +
8mm +  and 40mm +
Stylophyllum virens +
light green +  and whitish +
lobed +  and toothed +
semiterete +, linear +  and triangular-lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2-5 times wider than thick +
1-3 times bifurcate +  and simple +
1-3 times bifurcate +
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
elongate +
whorled +, opposite +  and alternate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (2 cm20 mm <br />0.02 m <br />) +
15+-branched +  and 2-5-branched +
obpyramidal +
0-400 m +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
branched +  and simple +
ascending;spreading +
erect;spreading +
Cliffs, flat terraces, and rocky banks near sea +
axillary +  and terminal +
0.2 cm2 mm <br />0.002 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
sessile +, petiolate +  and subclasping +
alternate +  and crowded +
persistent +
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
wider than tall +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
0.3 cm3 mm <br />0.003 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 />) +
perigynous +  and hypogynous +
rosy +  and white +
to middle +  and connate +
7mm;11mm +
reflexed +  and widespreading +
elliptic-oblong +  and triangular-ovate +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Flowering spring. +
(3-)4-5(-12)[-30+]-carpellate +
suberect +  and ascending +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Desert. Pl. Life +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
cross-ribbed +  and ribbed +
1 +  and many +
Conservation concern +
adnate +  and free +
antipetalous +
2-branched +  and simple +
distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not oily +  and not viscid +
Dudleya albida +  and Stylophyllum albidum +
Dudleya virens subsp. virens +
Dudleya virens +
subspecies +
cylindric +  and 5-gonal +
perennial +, biennial +  and annual +