Liatris microcephala K.Schum.

Smallhead blazing star (en)

Species

Angiosperms > Asterales > Asteraceae > Liatris

Characteristics

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.
More
Slender, 3–8 dm, essentially glabrous; lvs numerous, linear, the lower ones 3–16 cm × 1–5 mm, the others fairly gradually reduced upward; infl racemiform and sometimes secund, the ± numerous heads on slender, erect peduncles 3–20 mm (or a few of the uppermost subsessile), often turned away from the axis; invol narrow, sub cylindric, 6–8 mm, its green or greenish bracts narrowly scarious-margined, blunt, commonly broadly rounded above; fls 4–5(6) per head; cor 6–8 mm, including the 1.5–2 mm lobes, glabrous within; pappus barbellate, short, seldom reaching the sinuses of the cor; 2n=20. Exposed, rocky places, glades, and sandy shores; mts. of Ky. to S.C., Ga., and Ala. Aug., Sept.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.8
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Liatris microcephala unspecified picture

Distribution

Liatris microcephala world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:139596-2
WFO ID wfo-0000013971
COL ID 728MC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Liatris microcephala Lacinaria polyphylla Lacinaria microcephala