familyCrassulaceae
genusDudleya
subgenusDudleya subg. Stylophyllum
speciesDudleya virens
subspeciesDudleya virens subsp. virens

Dudleya virens subsp. virens

Reid V. Moran
Synonyms: Dudleya albida (Rose) P. H. Thomson Stylophyllum albidum Rose
Treatment appears in FNA Volume 8. Treatment on page 174.
Revision as of 12:01, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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

Distribution

V8 346-distribution-map.gif

Calif.

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.

... more about "Dudleya virens subsp. virens"
RDF feed
2n chromosome quantity
34 +
Androecium position
perigynous +  and hypogynous +
Anther dehiscence
dehiscent +
Apex shape
acute +
Author
Reid V. Moran +
Authority
(Rose) Moran +
Basal rosette density
dense +
Base architecture or fixation
clasping +
Base architecture or shape
not spurred +
Base width
8mm +  and 40mm +
Basionyms
Stylophyllum virens +
Blade coloration
light green +  and whitish +
Blade margin architecture or shape
entire +
Blade margin shape
lobed +  and toothed +
Blade position
laminar +
Blade shape
semiterete +, linear +  and triangular-lanceolate +
Blade texture
fleshy +
Blade thickness
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Blade width or width
2-5 times wider than thick +
Branch architecture
1-3 times bifurcate +  and simple +
Branch quantity
2;several +
Branch shape
1-3 times bifurcate +
Caudex architecture
branching +
Caudex atypical width
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Caudex length
0dm (2dm) +
Caudex shape
elongate +
Caudex width
1cm;3cm +
Cauline leaf architecture
simple +
Cauline leaf arrangement
whorled +, opposite +  and alternate +
Cincinnus architecture
5-12-flowered +
Cincinnus shape or vernation
circinate +
Cincinnus some measurement
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Clump diameter
0dm (20dm) +
Corolla architecture
open +
Corolla diameter
1.6 cm16 mm <br />0.016 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Cyme architecture
15+-branched +  and 2-5-branched +
Cyme shape
obpyramidal +
Distribution
Calif. +
Elevation
0-400 m +
Embryo course
straight +
Endosperm coating
oily +
Endosperm quantity
scant +
Filament fusion
adnate +
Floral shoot length
2dm (4.5dm) +
Floral shoot width
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Floral stem architecture
branched +  and simple +
Floral stem duration
annual +
Flower architecture
5-merous +
Flower architecture or arrangement or growth form
solitary +
Flower architecture or shape
symmetric +
Flower arrangement
connivent +
Flower orientation
ascending;spreading +
Flower reproduction
bisexual +
Flower shape
gibbous +
Follicle orientation
ascending +
Fruit orientation
erect;spreading +
Habitat
Cliffs, flat terraces, and rocky banks near sea +
Hypanthium presence
absent +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence architecture
2+-cincinnate +
Inflorescence position
axillary +  and terminal +
Inflorescence width
0.2 cm2 mm <br />0.002 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Lateral branch reproduction
vegetative +
Leaf architecture
sessile +, petiolate +  and subclasping +
Leaf arrangement
alternate +  and crowded +
Leaf condition
drying +
Leaf duration
persistent +
Leaf length
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Leaf life cycle
withering +
Leaf orientation
ascending +
Leaf quantity
12 (45) +
Leaf shape
oblong +
Leaf width
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Margin architecture or pubescence or shape
not ciliate +
Margin architecture or shape
entire +
Nectary disc architecture or shape
truncate +
Nectary disc width
wider than tall +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
1-locular +
Ovary base shape
rounded +
Ovary placentation
submarginal +
Ovary position
semi-inferior +  and superior +
Ovule architecture
tenuinucellate +, crassinucellate +  and bitegmic +
Ovule orientation
anatropous +
Pedicel atypical some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Pedicel orientation
erect +
Pedicel presence
absent +
Pedicel some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Perianth position
perigynous +  and hypogynous +
Petal atypical quantity
5 (12) +
Petal coloration
rosy +  and white +
Petal fusion
to middle +  and connate +
Petal length
7mm;11mm +
Petal orientation
reflexed +  and widespreading +
Petal quantity
4;5 +
Petal shape
elliptic-oblong +  and triangular-ovate +
Petal width
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Petiole presence
absent +
Phenology
Flowering spring. +
Pistil architecture
(3-)4-5(-12)[-30+]-carpellate +
Pistil arrangement
connivent +
Pistil atypical quantity
5 (12) +
Pistil fusion
distinct +
Pistil orientation
suberect +  and ascending +
Pistil quantity
4;5 +
Pistil some measurement
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Publication title
Desert. Pl. Life +
Reference
None +
Rosette architecture
15-55-leaved +
Rosette diameter
5cm (25cm) +
Rosette leaf-blade coloration
green +
Rosette leaf-blade length
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Rosette leaf-blade shape
Triangular-lanceolate (Linear-lanceolate) +
Rosette leaf-blade width
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Seed architecture or shape
cross-ribbed +  and ribbed +
Seed coloration
brownish +
Seed quantity
1;20 +
Seed shape
ovoid +
Sepal atypical quantity
5 (12) +
Sepal fusion
connate +
Sepal height or length or size
shorter +
Sepal quantity
4;5 +
Sepal variability
alike +
Series quantity
1 +  and many +
Smaller leaf arrangement
scattered +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8 346.xml +
Special status
Conservation concern +
Stamen fusion
adnate +  and free +
Stamen position
antipetalous +
Stamen quantity
10 +
Stem architecture
2-branched +  and simple +
Stem life cycle
flowering +
Stem orientation
erect +
Stem texture
fleshy +
Stem variability
alike +
Stigma architecture or shape
capitate +
Stigma atypical quantity
5 (12) +
Stigma position or structure subtype
terminal +
Stigma quantity
4;5 +
Stipule presence
absent +
Style atypical quantity
5 (12) +
Style fusion
distinct +
Style height or length or size
shorter +
Style position or structure subtype
terminal +
Style quantity
4;5 +
Style some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Surface coating
not oily +  and not viscid +
Surface pubescence
farinose +
Synonyms
Dudleya albida +  and Stylophyllum albidum +
Taxon family
Crassulaceae +
Taxon name
Dudleya virens subsp. virens +
Taxon parent
Dudleya virens +
Taxon rank
subspecies +
Tube shape
cylindric +  and 5-gonal +
Utricle architecture
1-seeded +
Volume
Volume 8 +
Whole-organism duration
perennial +, biennial +  and annual +
Whole organism duration
perennial +
Whole organism growth form
herb +
Whole organism pubescence
glabrous +
Whole organism reproduction
not viviparous +
Whole organism some measurement
7dm (10dm) +
Whole organism texture
succulent +
Whorl dehiscence
dehiscent +
X chromosome quantity
17 +