Boltonia decurrens (Torr. & A.Gray) Wood

Claspingleaf doll's daisy (en)

Species

Angiosperms > Asterales > Asteraceae > Boltonia l'hér.

Characteristics

Plants 50–200+ cm; basal offshoots, rhizomes, and stolons absent. Stems erect. Leaf blades linear-lanceolate to narrowly lanceolate; cauline 64–155 × 8–26 mm, bases decurrent. Heads in corymbiform to corymbo-paniculiform arrays; bracts 11–125 × 1–19 mm. Peduncles 3–53 mm; bracts 0–1(–3), linear to oblanceolate, 3–5(–9) mm. Involucres 3.2–4.3 × 8–9 mm. Phyllaries in 3–5 series, oblong to spatulate, subequal, apices acuminate to cuspidate, 0–1 merging down peduncles; outer 2.3–3.9 × 0.5–1 mm; inner 3–4 × 0.6–1 mm. Ray florets 45–60; corollas white to lilac, laminae 9–14 mm, tubes 0.6–1.1 mm. Disc florets 230–400+; corollas 1.8–2.4 mm. Cypselae obovoid to obcordiform, 1.5–2.6 × 1.1–1.9 mm, wings 0.3–0.4 mm wide; pappus awns 0.8–1.75 mm. 2n = 18.
More
Similar to B. asteroides var. recognita, but with broader and more numerous lvs, those of the stem conspicuously decurrent; rhizomes wanting; invol bracts subequal or only slightly imbricate; disk-fls numerous, ca 250–400; pappus-awns of the disk apparently always well developed. Flood plains along major rivers; Mo. and Ill.; now rare. Sept., Oct.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 2.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-7

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Boltonia decurrens unspecified picture

Distribution

Boltonia decurrens world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:77181133-1
WFO ID wfo-0000077327
COL ID 68NXP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Boltonia decurrens Boltonia latisquama var. decurrens Boltonia asteroides var. decurrens Boltonia glastifolia var. decurrens