Townsendia eximia A.Gray

Tall townsend daisy (en)

Species

Angiosperms > Asterales > Asteraceae > Townsendia

Characteristics

Biennials or perennials, 6–15(–30+) cm (sometimes rhizomatous). Stems ± erect; internodes 6–8(–25) mm, ± strigose. Leaves basal and cauline, blades spatulate to oblanceolate, 15–60(–120+) × 2–6(–10) mm (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose. Heads at tips of ± leafy stems. Involucres hemispheric or broader, (8–)12–25+ mm diam. Phyllaries (30–)60–80+ in (4–)5–6+ series, the longer ± lanceolate, (7–)12–13+ mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous. Ray florets 15–55+; corollas usually blue adaxially, laminae 12–20 mm, glabrous abaxially. Disc florets (60–)100–150+; corollas (3.5–)4–5+ mm. Cypselae 3–4+ mm, faces ± hairy, hair tips forked or glochidiform; pappi persistent; on ray cypselae each a corona 0.1–0.5 mm; on disc cypselae each of 8–12+ lanceolate scales 0.5–1 mm plus 1–2+ subulate to setiform scales 1–4 mm.
Life form perennial
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) -

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:255877-1
WFO ID wfo-0000066744
COL ID 57L7R
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Townsendia eximia Townsendia vreelandii