Perityle inyoensis

(Ferris) A. M. Powell

Sida 3: 278. 1968.

Common names: Inyo rock daisy
EndemicConservation concern
Basionym: Laphamia inyoensis Ferris Contr. Dudley Herb. 5: 104, fig. 2. 1958
Treatment appears in FNA Volume 21. Treatment on page 328. Mentioned on page 324, 326.

Perennials or subshrubs, 12–25 cm; pilose-villous indument intermixed with short glandular-hairs. Leaves (opposite or alternate): petioles 5–20 (–50) mm; blades orbiculate, ovate, or ovate-deltate, 8–18 (–21) × 6–12 (–15) mm, margins serrate to serrate-lobed. Heads borne singly or (2–3) in corymbiform arrays, 7–8.5 (–9) × 5–7 (–8) mm. Peduncles 8–40 mm. Involucres campanulate. Phyllaries 14–21, linear-lanceolate to sublanceolate, 5.5–6.5 × 1.1–1.5 mm. Ray-florets 0. Disc-florets 35–60; corollas yellow, tubes 1.4–1.6 mm, throats subtubular to subfunnelform, 2–2.4 mm, lobes 0.6–0.7 mm. Cypselae narrowly oblanceolate to suboblanceolate, (2.5–) 3–3.5 mm, margins thin-calloused, short-hairy; pappi usually inconspicuous, callous crowns, rarely of minute scales. 2n = 36.


Phenology: Flowering spring–fall.
Habitat: Dry, rocky slopes
Elevation: 1800–2800 m

Discussion

Of conservation concern.

Perityle inyoensis occurs in the southern Inyo Mountains. It is allied to P. megalocephala, which occurs at intermediate and lower elevations to the north and east of P. inyoensis.

Selected References

None.

Lower Taxa

None.
... more about "Perityle inyoensis"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Sharon C. Yarborough +  and A. Michael Powell +
(Ferris) A. M. Powell +
decurrent +
Laphamia inyoensis +
compound +  and simple +
1.8 cm18 mm <br />0.018 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
ovate-deltate;ovate;ovate-deltate;ovate;orbiculate +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
subplumose +, barbellulate +  and smooth +
subequal +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
Inyo rock daisy +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
narrowly oblanceolate +  and suboblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
1800–2800 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, rocky slopes +
discoid +  and radiate +
0.85 cm8.5 mm <br />0.0085 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
indeterminate +
0.7 cm7 mm <br />0.007 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
homogamous +  and heterogamous +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
campanulate +
0.35 cm3.5 mm <br />0.0035 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
sessile +  and petiolate +
alternate +  and opposite +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
short-hairy +
serrate +  and serrate-lobed +
thin-calloused +
2-carpellate +
persistent +
inconspicuous +
of 1-2(-6) equal or subequal , smooth , antrorsely barbellulate or subplumose , bristles +
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering spring–fall. +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
14 +  and 21 +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
Endemic +  and Conservation concern +
erect +  and pendent +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Amauriinae +
Perityle inyoensis +
Perityle sect. Laphamia +
species +
subtubular +  and subfunnelform +
0.2 cm2 mm <br />0.002 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
lobed +, toothed +  and entire +
12 cm120 mm <br />0.12 m <br /> (25 cm250 mm <br />0.25 m <br />) +
45 cm450 mm <br />0.45 m <br /> (75 cm750 mm <br />0.75 m <br />) +