Townsendia grandiflora Nutt.

Largeflower townsend daisy (en)

Species

Angiosperms > Asterales > Asteraceae > Townsendia

Characteristics

Biennials or perennials, (2–)3–15(–30) cm. Stems ± erect; internodes (0.1–)2–25(–50) mm, strigose. Leaves basal and cauline, blades spatulate to oblanceolate or linear, 20–40(–90+) × 1–5(–10) mm, not fleshy (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose (midribs scabrous). Heads at tips of stems (usually surpassed by leaves). Involucres hemispheric, (8–)10–14+ mm diam. Phyllaries 30–40+ in 4–5+ series, the longer lance-ovate to lanceolate, 8–10(–12+) mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous. Ray florets 20–40; corollas usually white adaxially, laminae 7–15(–20+) mm, glabrous abaxially. Disc florets (60–)80–120+; corollas 4–6 mm. Cypselae 3.5–4+ mm, faces hairy, hair tips forked or glochidiform; pappi persistent; on ray cypselae each a corona 0.1–0.5 mm or 10–20 subulate scales 1–2.5 mm; on disc cypselae 15–30 subulate to setiform scales (4–)5–6 mm. 2n = 18.
Life form biennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Townsendia grandiflora world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:255884-1
WFO ID wfo-0000082861
COL ID 57L83
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Townsendia grandiflora