Perityle lindheimeri

(A. Gray) Shinners

SouthW. Naturalist 4: 204. 1959.

Common names: Lindheimer’s rock daisy
Endemic
Basionym: Laphamia lindheimeri A. Gray Smithsonian Contr. Knowl. 3(5): 101. 1852
Synonyms: Laphamia rotundata Rydberg Perityle rotundata (Rydberg) Shinners
Treatment appears in FNA Volume 21. Treatment on page 332. Mentioned on page 324.

Perennials or subshrubs, (10–) 18–45 (–60) cm; glabrate or sparsely hairy. Leaves: petioles 4–15 mm; blades broadly ovate to ovatelanceolate, 10–40 × 10–35 mm, margins entire or serrate-lobed. Heads in corymbiform arrays, 6–7 × 4–6 mm. Peduncles 3–20 mm. Involucres narrowly campanulate. Phyllaries 12–14, narrowly lanceolate to oblanceolate, 3–4 × 2 mm. Ray-florets 3–5; corollas yellow, laminae oblong to suborbiculate, 2.5–3 × 1.5–2 mm. Disc-florets 16–22; corollas yellow, tubes 0.8–1.5 mm, throats narrowly campanulate, 1–1.5 mm, lobes 0.5 mm. Cypselae linear-oblong to narrowly oblanceolate, 2–2.8 mm, margins thin-calloused, minutely hairy; pappi 0, or of 1 (–2) bristles 0.5–1.8 mm.

Discussion

Varieties 2 (2 in the flora).

A specimen resembling Perityle lindheimeri was collected in 1936 near Ruidosa in Lincoln County, New Mexico. The identity and exact location of that seemingly out-of-place collection remain to be determined.

Selected References

None.

Key

1 Pappi usually 0, sometimes of single bristles 0.5–1(–1.5) mm, usually plus obscure, callous crowns; w Edwards Plateau Perityle lindheimeri var. halimifolia
1 Pappi usually of 1(–2) bristles 0.5–1.8 mm plus vestigial, laciniate scales or obscure callous crowns, rarely 0; c, e Edwards Plateau Perityle lindheimeri var. lindheimeri
... more about "Perityle lindheimeri"
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 +
(A. Gray) Shinners +
decurrent +
Laphamia lindheimeri +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
broadly ovate;ovatelanceolate +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 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 /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Lindheimer’s rock daisy +
linear-oblong +  and narrowly oblanceolate +
fertile +  and bisexual +
fertile +  and bisexual +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
discoid +  and radiate +
in corymbiform arrays +  and singly +
indeterminate +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
homogamous +  and heterogamous +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 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 />) +
2.5mm;3mm +
oblong +  and suborbiculate +
1.5mm;2mm +
sessile +  and petiolate +
alternate +  and opposite +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
serrate-lobed +  and entire +
thin-calloused +
2-carpellate +
persistent +
of 1-2(-6) equal or subequal , smooth , antrorsely barbellulate or subplumose , bristles +
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
12 +  and 14 +
2 cm20 mm <br />0.02 m <br /> (?) +
SouthW. Naturalist +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
erect +  and pendent +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Laphamia rotundata +  and Perityle rotundata +
Perityle lindheimeri +
Perityle sect. Laphamia +
species +
campanulate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
lobed +, toothed +  and entire +
45 cm450 mm <br />0.45 m <br /> (60 cm600 mm <br />0.6 m <br />) +
hairy +  and glabrate +
18 cm180 mm <br />0.18 m <br /> (45 cm450 mm <br />0.45 m <br />) +
45 cm450 mm <br />0.45 m <br /> (60 cm600 mm <br />0.6 m <br />) +
hairy +  and glabrate +