Difference between revisions of "Hexastylis contracta"
Brittonia 8: 279. 1957.
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|name=Asarum contractum | |name=Asarum contractum | ||
|authority=(H. L. Blomquist) Barringer | |authority=(H. L. Blomquist) Barringer | ||
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|hierarchy=Aristolochiaceae;Hexastylis;Hexastylis contracta | |hierarchy=Aristolochiaceae;Hexastylis;Hexastylis contracta | ||
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name=Hexastylis contracta | name=Hexastylis contracta | ||
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|authority=H. L. Blomquist | |authority=H. L. Blomquist | ||
|rank=species | |rank=species | ||
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|publication year=1957 | |publication year=1957 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Hexastylis | |genus=Hexastylis | ||
|species=Hexastylis contracta | |species=Hexastylis contracta | ||
Latest revision as of 21:50, 5 November 2020
Rhizomes: internodes short, leaves crowded at rhizome apex. Leaf blade rarely variegate, orbiculate-cordate; calyx tube rhombic-ovoid, conspicuously tapered above middle, with prominent constrictions just above base and just below sinuses, 15-27 × 12-17 mm, inner surface with reticulations absent or poorly developed, ridges 0-1 mm high, lobes erect to spreading, 4-5 × 7-8 mm, adaxially puberulent; stamen connective extending beyond pollen sacs; ovary ca. 1/3-inferior; ovules 6 per locule; styles 2-cleft halfway to stigma.
Phenology: Flowering spring (May–Jun).
Habitat: Acid soils in deciduous forests, with Kalmia and Rhododendron
Elevation: 300-1000 m
Distribution
Ky., N.C., Tenn.
Discussion
The distribution of Hexastylis contracta is unique; it is disjunct between the Cumberland Plateau of central Tennessee and Kentucky and the southeastern Blue Ridge Province of western North Carolina.
Selected References
None.