Tetraneuris ivesiana Greene

Ives' fournerved daisy (en)

Species

Angiosperms > Asterales > Asteraceae > Tetraneuris

Characteristics

Perennials, 10–26+ cm. Caudices ± branched, branches notably thickened distally. Stems (1–)5–20(–30), erect, leafy, ± branched distally. Leaves basal and cauline, entire, glabrous or sparsely to moderately lanuginose to sericeous, usually densely gland-dotted; basal leaves tightly clustered, blades linear-oblanceolate; proximal cauline blades linear-oblanceolate; mid blades linear-oblanceolate to linear, 1.7–2 mm wide; distal blades linear-oblanceolate to linear. Heads (1–)5–30(–40) per plant (1–5 per stem), borne singly or in paniculiform to corymbiform arrays. Peduncles 5–18.5 cm, ± hairy, usually densely hairy distally. Involucres 8–12 × 13–17 mm. Outer phyllaries 7–12, 5–6.4 mm, margins 0–0.3(–0.4) mm wide, usually scarious, abaxial faces ± hairy. Ray florets 7–10; corollas 10–20 mm. Disc florets (40–)80–150+; corollas yellow, 3.3–4.5 mm. Cypselae 3–4.1 mm; pappi of 5–7 lanceolate or obovate to oblanceolate, aristate scales 2.7–4.5 mm. 2n = 28, 30, 56, 60.
Life form perennial
Growth form herb
Growth support free-standing
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Sexuality hermaphrodite
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Spread -
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Mature height (meter) 0.1 - 0.25
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Flower color
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Hardiness (USDA) 4-10

Usage

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Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Images

Tetraneuris ivesiana unspecified picture

Distribution

Tetraneuris ivesiana world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:309499-2
WFO ID wfo-0000031462
COL ID 55Q6K
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hymenoxys ivesiana Tetraneuris intermedia Tetraneuris mancosensis Tetraneuris ivesiana Tetraneuris pilosa Tetraneuris pilosa Hymenoxys argentea var. ivesiana Hymenoxys acaulis var. ivesiana