familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Peritylinae
genusPerityle
sectionPerityle sect. Pappothrix
speciesPerityle cernua

Perityle cernua

(Greene) Shinners

SouthW. Naturalist 4: 204. 1959.

Sharon C. Yarborough, A. Michael Powell
Common names: Organ Mountain rock daisy
IllustratedEndemicConservation concern
Basionym: Laphamia cernua Greene Bull. Torrey Bot. Club 25: 122, plate 333, figs. 3, 4. 1898
Treatment appears in FNA Volume 21. Treatment on page 318. Mentioned on page 319.
Please click on the illustration for a higher resolution version.
Illustrator: Bee F. Gunn

Copyright: Flora of North America Association

Plants 3–12 (–20) cm (closely appressed to rocks); glabrate or with transparent, multicellular hairs on petioles, peduncles, and phyllaries. Leaves: petioles 7–25 mm; blades ovate-reniform to ovate-cordate, 10–40 × 8–40 mm, margins unevenly serrate-dentate. Heads borne singly (nodding or erect), 10–12 × 12–14 mm. Peduncles 10–19 mm. Involucres broadly campanulate. Phyllaries 18–28, linear-lanceolate, 6–9 × 1.2–2 mm. Disc-florets 20–150; corollas yellow, tubes 1.2–2 mm, throats narrowly funnelform, 2–3.3 mm, lobes 0.7–0.8 mm. Cypselae 2.1–3 mm; pappi of 25–35 bristles 0.5–1.5 (–2) mm. 2n = 34 + 1 frag.


Phenology: Flowering spring–fall.
Habitat: Limestone or igneous cliffs and slopes
Elevation: 1600–3000 m

Distribution

V21-786-distribution-map.gif

N.Mex.

Discussion

Of conservation concern.

Perityle cernua is known only from the Organ Mountains of Doña Ana County.

Selected References

None.

Lower Taxa

None.
... more about "Perityle cernua"
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2n chromosome quantity
1 +
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
(Greene) Shinners +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Laphamia cernua +
Blade architecture
compound +  and simple +
Blade length
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Blade shape
ovate-reniform;ovate-cordate +
Blade width
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 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
2;6 +
Bristle atypical some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Bristle quantity
25;35 +
Bristle shape
Plumose (?) +
Bristle size
unequal +
Bristle some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Common name
Organ Mountain rock daisy +
Corolla architecture
zygomorphic +
Corolla coloration
yellow +
Crown texture
callous +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela shape
angled +, rounded +, oblong +  and narrowly oblanceolate partially flattened +
Cypsela some measurement
2.1mm;3mm +
Disc-floret quantity
20 (150) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
N.Mex. +
Elevation
1600–3000 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
Limestone or igneous cliffs and slopes +
Hair architecture
multicellular +
Hair coloration
transparent +
Head architecture
discoid +  and radiate +
Head arrangement
singly +
Head development
indeterminate +
Head length
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Head reproduction
homogamous +  and heterogamous +
Head width
1.2 cm12 mm <br />0.012 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Illustration
Present +
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 +
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
serrate-dentate +
Margin pubescence
short-hairy +  and glabrous +
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 some measurement
1 cm10 mm <br />0.01 m <br /> (1.9 cm19 mm <br />0.019 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
0.7 cm7 mm <br />0.007 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Phenology
Flowering spring–fall. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary length
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Phyllary life cycle
falling +
Phyllary quantity
18 +  and 28 +
Phyllary shape
Linear-lanceolate (?) +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Phyllary width
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Publication title
SouthW. Naturalist +
Publication year
1959 +
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 786.xml +
Special status
Illustrated +, Endemic +  and Conservation concern +
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
Undefined sect. Pappothrix +
Taxon family
Asteraceae +
Taxon name
Perityle cernua +
Taxon parent
Perityle sect. Pappothrix +
Taxon rank
species +
Throat shape
campanulate +  and cylindric +
Throat some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
Throat variability
equal +
Tube height or length or size
shorter +
Tube some measurement
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Ultimate margin shape
lobed +, toothed +  and entire +
Volume
Volume 21 +
Whole-organism duration
perennial +
Whole organism atypical some measurement
12 cm120 mm <br />0.12 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism growth form
plant +
Whole organism pubescence
with transparent , multicellular hairs +  and glabrate +
Whole organism some measurement
3cm (12cm) +
X chromosome quantity
17 +