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Liatris oligocephala
J. Allison
Family:
Asteraceae
Cahaba-Torch
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 21)
Plants
(12-)25-48(-55) cm.
Corms
subglobose to depressed hemispheric.
Stems
glabrous.
Leaves:
basal scalelike (usually withering before flowering), cauline 1-nerved, mostly linear, 12-20(-230) × 1.2-3(-4.5) mm, gradually reduced beyond midstem, essentially glabrous (margins ciliate).
Heads
borne singly or (2-10) in subcorymbiform arrays.
Peduncles
(5-)12-40 mm.
Involucres
campanulate-turbinate, 10-19(-23) × (8-)10-17(-21) mm.
Phyllaries
in ± 3-4 series, (green or purple) lanceolate to linear-oblong, unequal, essentially glabrous or sparsely pilose, margins with or without hyaline borders, ciliate, apices long- to short-acuminate.
Florets
(11-)14-21(-25); corolla tubes glabrous inside.
Cypselae
(3.5-)5-7 mm (glabrous);
pappi:
lengths ±
1
/2-
2
/3 corollas, bristles barbellate.
Flowering Jun-Jul(-Aug). Open, grassy areas of dolomitic glades; of conservation concern; 50-200 m; Ala.
Liatris oligocephala
is known only from Bibb County.
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University of Florida Herbarium
University of Florida Herbarium
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