Difference between revisions of "Perityle huecoensis"
Madroño 30: 219, fig. 2. 1983.
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|distribution=Tex.;Mexico (Chihuahua). | |distribution=Tex.;Mexico (Chihuahua). | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Perityle huecoensis is found in the United States only in the Hueco Mountains of El Paso County, generally growing on north or northeast facing slopes. Plants in the nearby Sierra Juarez in Mexico tend to lack bristles in pappi on the disc florets and to be taller with larger leaves compared to plants in the United States populations.</p> | + | --><p><i>Perityle huecoensis</i> is found in the United States only in the Hueco Mountains of El Paso County, generally growing on north or northeast facing slopes. Plants in the nearby Sierra Juarez in Mexico tend to lack bristles in pappi on the disc florets and to be taller with larger leaves compared to plants in the United States populations.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1983 | |publication year=1983 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_835.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae | ||
Revision as of 15:37, 18 September 2019
Perennials or subshrubs, 10–20 cm; densely short-hairy. Leaves: petioles 10–80 mm; blades broadly ovate, ovate-deltate, or ovate-rhombic, 5–12(–15) × 4–10(–15) mm, margins entire or serrate-lobed. Heads borne singly or in corymbiform arrays, 5.5–6 × 4–6 mm. Peduncles 5–15 mm. Involucres funnelform. Phyllaries 8–10, lanceolate to oblanceolate, 3–4.5 × 0.6–1.2 mm. Ray florets 3–5; corollas yellow, laminae oblong, 2.5–3 × 1.5–2 mm. Disc florets 11–13; corollas yellow, tubes 1.3–1.5 mm, throats broadly campanulate-funnelform, 0.8–1.2 mm, lobes 0.5–0.7 mm. Cypselae linear-lanceolate, 2.2–3.2 mm, margins usually thin-calloused, short-hairy; pappi usually of 1–3, antrorsely barbellate bristles 1–2.5 mm plus 0–4 shorter bristles, sometimes plus hyaline, laciniate scales. 2n = 34.
Phenology: Flowering spring–fall.
Habitat: Limestone cliffs
Elevation: 1400–1500 m
Distribution
Tex., Mexico (Chihuahua).
Discussion
Of conservation concern.
Perityle huecoensis is found in the United States only in the Hueco Mountains of El Paso County, generally growing on north or northeast facing slopes. Plants in the nearby Sierra Juarez in Mexico tend to lack bristles in pappi on the disc florets and to be taller with larger leaves compared to plants in the United States populations.
Selected References
None.