familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Peritylinae
genusPerityle
sectionPerityle sect. Pappothrix
speciesPerityle rupestris
varietyPerityle rupestris var. albiflora

Perityle rupestris var. albiflora

A. M. Powell

Sida 3: 180. 1967.

Sharon C. Yarborough, A. Michael Powell
Common names: White leafy rock daisy
Endemic
Treatment appears in FNA Volume 21. Treatment on page 319. Mentioned on page 320.

Disc-florets 8–18, corollas white. Pappi of (16–) 18–25 bristles 1–2 mm. 2n = 34, 68, 170.


Phenology: Flowering spring–fall.
Habitat: Crevices of igneous bluffs and boulders
Elevation: 1200–1900 m

Distribution

V21-789-distribution-map.gif

Tex.

Discussion

Variety albiflora is found throughout much of Brewster County, eastern Presidio County, and extreme southern Jeff Davis County.

Selected References

None.

Lower Taxa

None.
... more about "Perityle rupestris var. albiflora"
RDF feed
2n chromosome quantity
170 +, 68 +  and 34 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
pale +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex size
subequal +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Sharon C. Yarborough +  and A. Michael Powell +
Authority
A. M. Powell +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Laphamia rupestris +
Blade architecture
compound +  and simple +
Blade atypical length
1.7 cm17 mm <br />0.017 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Blade atypical width
1.7 cm17 mm <br />0.017 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Blade length
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Blade shape
subreniform;subdeltate;subreniform;subdeltate;subcordate;ovate +
Blade width
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Body architecture
winged;ribbed;winged;ribbed +
Body architecture or pubescence or relief
smooth +
Body relief
tuberculate +  and rugose +
Bractlet quantity
1;15 +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +
Bristle atypical quantity
16;18 +
Bristle atypical some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Bristle quantity
18;25 +
Bristle shape
Plumose (?) +
Bristle size
unequal +
Bristle some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Common name
White leafy rock daisy +
Corolla architecture
zygomorphic +
Corolla coloration
white +
Crown texture
callous +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela atypical some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Cypsela growth form
dimorphic +
Cypsela shape
angled +, rounded +, oblong +  and narrowly oblanceolate partially flattened +
Cypsela some measurement
2mm;2.5mm +
Disc-floret quantity
8 (18) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Tex. +
Elevation
1200–1900 m +
Embryo course
straight +
Face pubescence
hairy +  and glabrous +
Face quantity
1 +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Funnelform shape
cylindric +
Funnelform variability
equaling +
Glomerule arrangement
singly +
Habitat
Crevices of igneous bluffs and boulders +
Head architecture
discoid +  and radiate +
Head arrangement
in corymbiform arrays +  and singly +
Head development
indeterminate +
Head length
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Head reproduction
homogamous +  and heterogamous +
Head width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Individual head architecture
each +  and sessile +
Involucre diameter
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Involucre length
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate;subfunnelform;campanulate;subfunnelform;subcylindric +
Involucre width
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +  and opposite +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe quantity
4 (?) +
Lobe shape
deltate +
Lobe some measurement
? (?) +
Margin architecture or shape
entire +
Margin pubescence
short-hairy +  and glabrous +
Margin shape
serrate-lobed +  and serrate +
Margin texture
calloused +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Pappus prominence
vestigial +
Peduncle atypical some measurement
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Peduncle some measurement
0.2 cm2 mm <br />0.002 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Petiole some measurement
0.3 cm3 mm <br />0.003 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Phenology
Flowering spring–fall. +
Phyllary atypical quantity
10 (14) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary length
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Phyllary life cycle
falling +
Phyllary quantity
8 +  and 10 +
Phyllary shape
Narrowly lanceolate (Oblanceolate) +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Phyllary width
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Publication title
Sida +
Publication year
1967 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
1 (3) +
Ray-floret presence
absent +
Ray-floret quantity
3 (18) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
convex;flat +
Reference
None +
Root texture
fibrous +
Scale coloration
hyaline +
Scale texture
callous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
2 (3) +
Series quantity
2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 789.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem orientation
erect +  and pendent +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Pappothrix rupestris +
Taxon family
Asteraceae +
Taxon name
Perityle rupestris var. albiflora +
Taxon parent
Perityle rupestris +
Taxon rank
variety +
Throat shape
tubular +  and subfunnelform +
Throat some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Throat variability
equal +
Tube height or length or size
shorter +
Tube some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
Ultimate margin shape
lobed +, toothed +  and entire +
Volume
Volume 21 +
Whole-organism duration
perennial +
Whole organism atypical some measurement
25 cm250 mm <br />0.25 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Whole organism growth form
plant +
Whole organism pubescence
puberulent +, pilose +  and hirsute +
Whole organism some measurement
4cm (25cm) +
X chromosome quantity
17 +