Madia subspicata D.D.Keck

Slender tarweed (en)

Species

Angiosperms > Asterales > Asteraceae > Madia

Characteristics

Plants 5–60 cm, self-compatible (heads not showy). Stems proximally ± villous, distally glandular-pubescent, glands yellowish, lateral branches not surpassing main stems. Leaf blades linear to lance-linear, 2–7 cm × 1–5 mm. Heads in spiciform or spiciform-racemiform arrays (peduncles 0 or lengths usually less than 2 times heads). Involucres globose or ovoid, 6–8 mm. Phyllaries ± hirsute and thick-stalked-glandular as well, glands golden yellow, apices ± erect, sulcate or flat. Paleae mostly persistent, distinct or connate less than 1/2 their lengths. Ray florets 5–8; corollas pale yellow, laminae 1–2.5 mm. Disc florets 5–15, bisexual, fertile; corollas 3–3.5 mm, pubescent; anthers yellow to brownish. Ray cypselae black or brown, sometimes purple-mottled, dull, compressed, ± clavate, beakless. Disc cypselae similar. 2n = 16.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.6
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 7-9
Soil humidity 1-5
Soil texture 3-4
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

Madia subspicata world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:149201-2
WFO ID wfo-0000138356
COL ID 733P7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Madia subspicata