View source for Pectis cylindrica

{{Treatment/ID
|accepted_name=Pectis cylindrica
|accepted_authority=(Fernald) Rydberg in N. L. Britton et al.
|publications={{Treatment/Publication
|title=in N. L. Britton et al., N. Amer. Fl.
|place=34: 198. 1916
|year=1916
}}
|common_names=Three-rayed or Sonoran chinchweed
|basionyms={{Treatment/ID/Basionym
|name=Pectis prostrata var. cylindrica
|authority=Fernald
|publication_title=Proc. Amer. Acad. Arts
|publication_place=33: 68. 1897
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Pectis;Pectis cylindrica
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Pectidinae]]</div><div class="higher-taxon"><small>genus</small>[[Pectis]]</div><div class="higher-taxon"><small>species</small>[[Pectis cylindrica]]</div></div>
|volume=Volume 21
|mention_page=page 224
|treatment_page=page 225
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 1–20 cm (across or high); herbage not scented. <b>Stems</b> prostrate to ascending (often mat-forming, densely leafy distally), puberulent (in decurrent lines or throughout) or glabrate. <b>Leaves</b> (bluish green) linear to linear-oblanceolate or narrowly oblong, 10–30 × 1.5–4 mm, margins with 2–5 pairs of setae 1–2 mm, faces glabrous (abaxial densely dotted with scattered, circular oil-glands 0.05–0.2 mm). <b>Heads</b> borne singly or in congested, (leafy) cymiform arrays. <b>Peduncles</b> 1–5 mm. <b>Involucres</b> cylindric. <b>Phyllaries</b> coherent (falling together), oblong to oblong-obovate, 6–10 × 2–3 mm (dotted with scattered, elliptic oil-glands 0.05–0.15 mm). <b>Ray</b> florets 3(–4); corollas 3–4 mm (scarcely surpassing phyllaries). <b>Disc</b> florets (3–)7–14; corollas 2.2–2.6 mm (2-lipped). <b>Cypselae</b> 4–5.5 mm, puberulent (distally glandular-puberulent); pappi of 2 (ray) and 5 (disc) lanceolate scales 1.5–3.5 mm. <b>2n</b> = 48.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Nov.
|habitat=Deserts, oak-juniper woodlands, grasslands, wash channels, mud flats, lawns, roadsides
|elevation=700–1500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Baja California Sur;Chihuahua;Coahuila;Durango;Nuevo León;Sinaloa;Sonora).
|discussion=<p><i>Pectis cylindrica</i> (2n = 48) is similar to <i>P. prostrata</i> (2n = 24); the two occasionally grow together (D. J. Keil 1975b). Some herbaria contain mixed collections of the two. No evidence is available of hybrids between the two.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Pectis cylindrica
|author=
|authority=(Fernald) Rydberg in N. L. Britton et al.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Pectis prostrata var. cylindrica
|family=Asteraceae
|phenology=Flowering Jul–Nov.
|habitat=Deserts, oak-juniper woodlands, grasslands, wash channels, mud flats, lawns, roadsides
|elevation=700–1500 m
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Baja California Sur;Chihuahua;Coahuila;Durango;Nuevo León;Sinaloa;Sonora).
|reference=None
|publication title=in N. L. Britton et al., N. Amer. Fl.
|publication year=1916
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_541.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae
|genus=Pectis
|species=Pectis cylindrica
}}<!--

-->[[Category:Treatment]][[Category:Pectis]]