Perityle bisetosa var. scalaris
Sida 3: 177, fig. 3. 1967.
EndemicConservation concern
Plants 6–12 cm. Leaves proximally opposite, distally alternate; petioles 2–4 mm; blades broadly ovate to suborbiculate, margins with 1–2 shallow serrations or lobes, faces scabrous-hispidulous; pappi of 2–3 (–4) bristles (1–2 reduced). 2n = ca. 204.
Phenology: Flowering spring–fall.
Habitat: Crevices of limestone bluffs
Elevation: 1200–1600 m
Discussion
Of conservation concern.
Variety scalaris is known only from at or near the type locality east of the Dead Horse Mountains in southeastern Brewster County.
Selected References
None.
Lower Taxa
None.
... more about "Perityle bisetosa var. scalaris"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
broadly ovate;suborbiculate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
subequal +
equal +
absent +
zygomorphic +
white +
callous +
monomorphic +
dimorphic +
1.8mm;2.2mm +
staminate +
Tex. +
straight +
scabrous-hispidulous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
cylindric +
equaling +
singly +
singly +
indeterminate +
surrounding +
campanulate +
cauline +
shallow +
deltate +
glabrous +
calloused +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
vestigial +
of 1-2(-6) equal or subequal , smooth , antrorsely barbellulate or subplumose , bristles +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Sida +
1967 +
pistillate +
absent +
fertile +
epaleate +
pitted +
convex;flat +
fibrous +
hyaline +
callous +
exalbuminous +
modifed +
shallow +
alternate +
2-branched +
papillate +
Perityle bisetosa var. scalaris +
Perityle bisetosa +
variety +
equal +
shorter +
perennial +
glabrate +