Difference between revisions of "Pectis angustifolia var. fastigiata"
Rhodora 79: 60. 1977.
Common names: Texas chinchweed
Endemic
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/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Pectis fastigiata | |name=Pectis fastigiata | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
| + | |publication_title=Mem. Amer. Acad. Arts, n. s. | ||
| + | |publication_place=4: 62. 1849 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Pectis texana | |name=Pectis texana | ||
|authority=Cory | |authority=Cory | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Pectis;Pectis angustifolia;Pectis angustifolia var. fastigiata | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Pectis;Pectis angustifolia;Pectis angustifolia var. fastigiata | ||
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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 var. angustifolia.</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>var.<i> angustifolia</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Pectis angustifolia var. fastigiata | name=Pectis angustifolia var. fastigiata | ||
| − | |||
|authority=(A. Gray) D. J. Keil | |authority=(A. Gray) D. J. Keil | ||
|rank=variety | |rank=variety | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1977 | |publication year=1977 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/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 | ||
Latest revision as of 20:13, 5 November 2020
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.