Liatris microcephala

(Small) K. Schumann

Just’s Bot. Jahresber. 26(1): 378. 1900.

Common names: Smallhead gayfeather
Endemic
Basionym: Lacinaria microcephala Small Bull. Torrey Bot. Club 25: 473. 1898
Synonyms: Lacinaria polyphylla Small
Treatment appears in FNA Volume 21. Treatment on page 530. Mentioned on page 516.

Plants 30–80 cm. Corms globose (fibrous roots often densely covering whole structure). Stems glabrous. Leaves: basal and proximal cauline 1-nerved, linear to linear-lanceolate, 80–200 × 1–3(–4, –6) mm, gradually reduced or abruptly reduced on distal 1/2 of stems, essentially glabrous. Heads in loose to dense, spiciform arrays (internodes to 8 mm). Peduncles 0 or (ascending) 1–12 mm. Involucres turbinate-cylindric, 5–7(–9) × 3–4 mm. Phyllaries in 3–4 series, oblong to oblong-obovate, strongly unequal, essentially glabrous, margins with hyaline borders, apices rounded. Florets 4–5(–6); corolla tubes glabrous inside. Cypselae 3–3.5 mm; pappi: lengths ± 1/2 corollas, bristles barbellate. 2n = 20, 60.


Phenology: Flowering (Jul–)Aug–Oct.
Habitat: Outcrops of granite and sandstone, rocky slopes, sandy stream banks, openings in pine-oak, oak barrens
Elevation: 200–600 m

Distribution

V21-1346-distribution-map.gif

Ala., Ga., Ky., N.C., S.C., Tenn.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Liatris microcephala"
Guy L. Nesom +
(Small) K. Schumann +
Lacinaria microcephala +
Smallhead gayfeather +
Ala. +, Ga. +, Ky. +, N.C. +, S.C. +  and Tenn. +
200–600 m +
Outcrops of granite and sandstone, rocky slopes, sandy stream banks, openings in pine-oak, oak barrens +
Flowering (Jul–)Aug–Oct. +
Just’s Bot. Jahresber. +
Lacinaria polyphylla +
Liatris microcephala +
species +