Stylocline citroleum Morefield

Oil neststraw (en)

Species

Angiosperms > Asterales > Asteraceae > Stylocline

Characteristics

Plants 2–9(–13) cm. Leaves broadly acute, mucronate, longest 6–13 mm; largest capitular leaves broadly oblanceolate to ± elliptic, 4–12 × 2–3.5 mm. Heads in dichasiform or proximally ± racemiform arrays, ± spheric, largest 4–5.5 × 3.5–5 mm, thickly lanuginose (dull, indument evident). Phyllaries ± persistent, elliptic to obovate, 1.5–2.5 mm, subequal. Receptacles clavate, 1.5–2.5 mm, heights 4–6 times diams.; scars ± evenly distributed, slightly sunken. Pistillate paleae: longest 2.5–3.5 mm, winged proximally and distally; wings elliptic to slightly obovate (bases acute), widest in median 1/3 of palea lengths; bodies (except midnerves) chartaceous; outermost paleae ± saccate. Functionally staminate florets 3–6; ovaries partially developed, (0.2–)0.3–0.6 mm; corollas 1–1.6 mm. Cypselae 0.8–1 mm, compressed; pappi: staminate of (5–)6–12(–13) barbellate bristles 1.4–1.8 mm (proximal barbs longer, spreading).
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.09
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

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

Distribution

Stylocline citroleum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:303701-2
WFO ID wfo-0000002436
COL ID 539Y2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Stylocline citroleum