Difference between revisions of "Petrorhagia nanteuilii"
Bull. Brit. Mus. (Nat. Hist.), Bot. 3: 164. 1964.
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|name=Dianthus nanteuilii | |name=Dianthus nanteuilii | ||
|authority=Burnat | |authority=Burnat | ||
| + | |rank=species | ||
|publication_title=in E. Burnat et al., Fl. Alpes Marit. | |publication_title=in E. Burnat et al., Fl. Alpes Marit. | ||
|publication_place=1: 221. 1892 | |publication_place=1: 221. 1892 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Petrorhagia nanteuilii | name=Petrorhagia nanteuilii | ||
| − | |||
|authority=(Burnat) P. W. Ball & Heywood | |authority=(Burnat) P. W. Ball & Heywood | ||
|rank=species | |rank=species | ||
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|publication year=1964 | |publication year=1964 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_337.xml |
|subfamily=Caryophyllaceae subfam. Caryophylloideae | |subfamily=Caryophyllaceae subfam. Caryophylloideae | ||
|genus=Petrorhagia | |genus=Petrorhagia | ||
Revision as of 22:53, 16 December 2019
Plants annual. Stems erect, simple or branched, (20–)30(–52) cm; internodes glabrous or midstem and proximal ones minutely stipitate-glandular. Leaves: sheath (2–)3–4 mm, 1.5–2 times as long as wide; blade 3-veined, linear, 10–25 mm, margins scabrous. Inflorescences capitate; inflorescence bracts and involucel bracteoles enclosing flowers, broadly ovate, brown-scarious, apex of outer bracts mucronate, of inner bracts obtuse or mucronate. Pedicels 0.1–2 mm. Flowers: sepals (5–)10–12 mm; petals pink to slightly purplish, primary veins 3, at least center vein darkly colored near base of blade, apex obcordate or 2-fid. Seeds shield-shaped, (1.3–)1.5–1.8 mm, tuberculate. 2n = 60 (Europe).
Phenology: Flowering late spring–summer.
Habitat: Roadsides
Elevation: 0-200 m.
Distribution
B.C., Calif., w Europe, nw Africa, introduced in South America, Australia.
Discussion
Petrorhagia nanteuilii is known from two counties in northern California (first collected in 1956) and a single site in British Columbia. It may be an alloploid derived through hybridization between P. prolifera and P. dubia; recent attempts at crossing the latter two have failed (S. M. Thomas and B. G. Murray 1983).
Selected References
None.