Difference between revisions of "Pectis angustifolia var. fastigiata"
Rhodora 79: 60. 1977.
Common names: Texas chinchweed
Basionym: Pectis fastigiata A. Gray Mem. Amer. Acad. Arts, n. s. 4: 62. 1849
Synonyms: Pectis texana Cory
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|common_names=Texas chinchweed | |common_names=Texas chinchweed | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Pectis fastigiata | |name=Pectis fastigiata | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |publication_title=Mem. Amer. Acad. Arts, n. s. | ||
| + | |publication_place=4: 62. 1849 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|elevation=100–700 m | |elevation=100–700 m | ||
|distribution=Tex. | |distribution=Tex. | ||
| − | |discussion=<p>Variety fastigiata is known only from the Edwards Plateau region of central Texas, mostly on limestone soils. It appears to intergrade in the western portion of its range with <i></i>var.<i> angustifolia</i>.</p> | + | |discussion=<p>Variety fastigiata is known only from the Edwards Plateau region of central Texas, mostly on limestone soils. It appears to intergrade in the western portion of its range with <i></i></i>var.<i><i> angustifolia</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1977 | |publication year=1977 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_553.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 18:49, 24 September 2019
Annuals or perennials, 5–15 cm; herbage spicy-scented. Leaves 10–40 × 1–2 mm, bases of distal blades not notably expanded. Peduncles 3–30 mm. Phyllaries narrowly oblanceolate, 2.5–4.5 mm, widest near apices, each with a conspicuous, subterminal oil-gland 0.5–1 mm plus 1 or 2 pairs of smaller submarginal oil-glands. Cypselae 2.5–3.5 mm; pappi usually of 1–7 bristles or awns, sometimes coroniform, usually less than 1 mm. 2n = 24.
Phenology: Flowering Jun–Nov.
Habitat: Open areas in grasslands and open woodlands, mostly on shallow limestone soils
Elevation: 100–700 m
Discussion
Variety fastigiata is known only from the Edwards Plateau region of central Texas, mostly on limestone soils. It appears to intergrade in the western portion of its range with var. angustifolia.
Selected References
None.
Lower Taxa
None.