Pseudognaphalium arizonicum (A.Gray) Anderb.

Arizona cudweed (en)

Species

Angiosperms > Asterales > Asteraceae > Pseudognaphalium

Characteristics

Annuals or perennials, 20–50 cm; taprooted. Stems loosely and densely woolly-tomentose (hairs usually with reddish or purplish cross walls), not glandular. Leaf blades linear-oblanceolate to linear-lanceolate, 2–6 cm × 2–7 mm, bases not clasping, decurrent 3–15(–20) mm, margins weakly and narrowly revolute, faces concolor to weakly bicolor, tomentose (hairs commonly with reddish or purplish cross walls), not glandular. Heads borne singly or in terminal glomerules or corymbiform arrays. Involucres turbinate-campanulate, 5–6 mm. Phyllaries in 4–5 series, usually brownish to tawny, rarely slightly rosy (opaque, shiny), ovate-lanceolate to lanceolate, glabrous. Pistillate florets (25–)30–49. Bisexual florets (1–)3–6. Cypselae ridged, papillate-roughened.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.5
Root system tap-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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

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

Pseudognaphalium arizonicum world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:962997-1
WFO ID wfo-0000041227
COL ID 4NXCV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pseudognaphalium arizonicum Gnaphalium arizonicum