FNA>Volume Importer
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|name=Undefined sect. Laphamia
 
|name=Undefined sect. Laphamia
 
|authority=A. Gray
 
|authority=A. Gray
 +
|rank=section
 
|publication_title=Smithsonian Contr. Knowl.
 
|publication_title=Smithsonian Contr. Knowl.
 
|publication_place=3(5): 99, plate 9. 1852
 
|publication_place=3(5): 99, plate 9. 1852
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|discussion=<p>Species 29 (22 in the flora).</p>
 
|discussion=<p>Species 29 (22 in the flora).</p>
 
|tables=
 
|tables=
|references={{Treatment/Reference
+
|references=
|id=powell1973a
 
|text=Powell, A. M. 1973b. Taxonomy of Perityle, section Laphamia (Compositae–Peritylanae). Sida 5: 61–128.
 
}}
 
 
}}<!--
 
}}<!--
  
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Perityle sect. Laphamia
 
name=Perityle sect. Laphamia
|author=
 
 
|authority=(A. Gray) A. M. Powell
 
|authority=(A. Gray) A. M. Powell
 
|rank=section
 
|rank=section
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|family=Asteraceae
 
|family=Asteraceae
 
|distribution=United States;Mexico.
 
|distribution=United States;Mexico.
|reference=powell1973a
+
|reference=None
 
|publication title=Sida
 
|publication title=Sida
 
|publication year=1968
 
|publication year=1968
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_803.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_803.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae

Revision as of 19:39, 16 December 2019

Perennials or subshrubs (in rock crevices). Involucres funnelform, campanulate, or hemispheric, 5–11 × 3.5–14 mm. Ray florets 0, or 3–5, or 6–18; corollas yellow. Disc florets 9–200; corollas yellow or white. Cypselae linear, linear-lanceolate, oblanceolate or oblong to oblanceolate, flattened, often obscurely rounded or angled on 1 or both surfaces, margins usually inconspicuously calloused and sparsely short-hairy; pappi 0 or of 1–2(–6) equal or subequal, smooth, antrorsely barbellulate, or subplumose bristles 0.5–4.6 mm plus callous crowns or hyaline scales. x = 17.

Distribution

United States, Mexico.

Discussion

Species 29 (22 in the flora).

Selected References

None.

Key

1 Corollas white; rays 0; plants 2–12 cm; Texas (Big Bend area) > 2
1 Corollas yellow; rays 0, or 3–5, or 6–18; plants (4–)12–75 cm; Arizona, California, Nevada, New Mexico, Texas, or Utah > 3
2 Pappi 0 or callous crowns (bristles 0); plants densely scabrous-pubescent Perityle warnockii
2 Pappi usually of 2–3(–5) bristles; plants glabrate, minutely hairy, or scabrous-hispidulous Perityle bisetosa
3 Rays 3–5 or 6–18 > 4
3 Rays usually 0 (sometimes 1–2, reduced, in P. ambrosiifolia) > 9
4 Leaf blades broadly ovate, ovate-deltate, ovate-lanceolate, or ovate-rhombic; disc florets 11–22; Texas > 5
4 Leaf blades ± cruciform, subdeltate, or subovate, usually 3-partite or lobed, divided, or pinnate; disc florets 30–200; Arizona, Nevada, New Mexico, Utah > 6
5 Disc florets 11–13; Hueco Mountains Perityle huecoensis
5 Disc florets 16–22; Edwards Plateau Perityle lindheimeri
6 Leaf blades usually ± cruciform, sometimes lobed or pinnate; New Mexico Perityle staurophylla
6 Leaf blades subdeltate, suborbiculate, or subovate, or deeply lobed, 3-foliolate, or 2–3-pinnate; Arizona, Nevada, Utah > 7
7 Disc florets 60–80; leaf blades subdeltate, suborbiculate, or subovate, margins serrate or ± lobed; Nevada, Utah Perityle stansburyi
7 Disc florets 75–200; leaf blades 3-foliolate, or 2–3-pinnate; Arizona > 8
8 Leaf blades 2–3-pinnate (lobes linear to flat-filiform, scarcely broad- ened distally) Perityle saxicola
8 Leaf blades usually 3-foliolate (lobes much broadened distally) Perityle gilensis
9 Plants long-hairy, pilose, or villous > 10
9 Plants glabrous, or hirtellous, hispidulous, or puberulent, or short-hairy, or short-tomentose > 15
10 Leaf blades deeply dissected (lobes relatively numerous, irregular) > 11
10 Leaf blades entire, serrate, or shallow-lobed > 13
11 Phyllaries 4–6.4(–8) mm (apices acute); disc corolla throats broadly tubu-lar to subfunnelform; pappus bristles delicate Perityle lemmonii
11 Phyllaries 6–9 or (5–)7–13 mm (apices usually attenuate, sometimes acute); disc corolla throats narrowly tubular to narrowly funnelform; pappus bristles moderately stout > 12
12 Leaf blades 15–30 mm wide; phyllaries 14–20; Arizona Perityle ambrosiifolia
12 Leaf blades 4–15 mm wide; phyllaries 12–15; Texas Perityle dissecta
13 Leaf margins entire or with 1–3 lobes per side (leaves all alternate) Perityle villosa
13 Leaf margins serrate (leaves opposite or alternate) > 14
14 Pappi usually callous crowns (bristles 0); California Perityle inyoensis
14 Pappus usually of single, delicate bristles 1–3 mm; Arizona, New Mexico Perityle lemmonii
15 Plants densely short-hairy or short-tomentose > 16
15 Plants glabrous, or hirtellous, hispidulous, or puberulent > 17
16 Leaf margins serrate; plants densely short-hairy; nw Arizona, Nevada, Utah Perityle tenella
16 Leaf margins usually shallow-crenate; plants densely short-tomentose; sw Arizona Perityle ajoensis
17 Leaf blades 2–8(–15) mm (stems sparsely leafy) > 18
17 Leaf blades 3–30 mm (stems moderately to densely leafy) > 20
18 Pappus bristles usually 1–3(–4), rarely 0; se Utah Perityle specuicola
18 Pappus bristles usually 0, sometimes 1–2; California, s Nevada > 19
19 Heads borne singly or (2–3) in loose, corymbiform arrays; peduncles 10–45(–80) mm; leaf blades usually elliptic, lanceolate, lance-ovate, ovate, or suborbiculate (sometimes linear in var. oligophylla) Perityle megalocephala
19 Heads (2–6) in tight, corymbiform arrays; peduncles 1–10 mm; leaf blades linear Perityle intricata
20 Pappi usually 0, sometimes 1–2 bristles; plants glabrate or puberulent; Texas Perityle angustifolia
20 Pappi usually of 1–3(–6) bristles, sometimes 0; plants glabrous, hirtellous, or short-hairy; Arizona, Nevada > 21
21 Leaf blades usually deeply divided (lobes 3, relatively broad to linear, usually secondarily lobed, cleft, or parted, often ± cruciform, sometimes almost entire); sc Arizona Perityle staurophylla
21 Leaf blades entire, toothed, or lobed; Arizona, Nevada > 22
22 Plants 4–12(–15+) cm; petioles 5–30 mm (equal to or longer than blades; leaves usually glabrous); se Arizona Perityle cochisensis
22 Plants 10–30(–45) cm (petioles shorter than blades; leaves hairy); nw Arizona, se Nevada > 23
23 Leaf blades usually 3-lobed to ± cruciform; nw Arizona, se Nevada Perityle gracilis
23 Leaf blades elliptic, lanceolate, or ovate, usually entire or 2–6-toothed; nw Arizona Perityle congesta