Delphinium uliginosum Curran

Swamp larkspur (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Delphinium

Characteristics

Stems 10-30(-70) cm; base reddish or not, nearly glabrous. Leaves mostly on proximal 1/4 of stem; basal leaves 6-8 at anthesis; cauline leaves 0-5 at anthesis; petiole 0.3-7 cm. Leaf blade obdeltoid, apically several parted, 1-8 × 1-7 cm, ± fleshy, glabrous; ultimate lobes 0-3, width 3-20 mm (cauline only); margins of basal leaf, measured less than 1 cm from blade base, demarcating less than 90° of arc when leaf laid flat. Inflorescences 5-20(-48)-flowered, ± open; pedicel 0.3-3(-10) cm, glabrous to puberulent; bracteoles 2-3(-5) mm from flowers, green to blue, lanceolate-linear, 3-4(-7) mm, puberulent. Flowers: sepals dark blue, nearly glabrous, lateral sepals spreading, 9-15 × 5-8 mm, spurs usually upcurved, ascending 30-45° above horizontal, 10-14 mm; lower petal blades slightly elevated, ± exposing stamens, 4-5 mm, clefts 2-3 mm; hairs centered, densest on inner lobe above base of cleft, also on margins, white. Fruits 10-18 mm, 4.1-4.5 times longer than wide, puberulent. Seeds: seed coat cells with surfaces bumpy or wavy. 2 n = 16.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-8

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 28
Germination temperacture (C°) 10 - 12
Germination luminosity dark
Germination treatment stratification
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Delphinium uliginosum unspecified picture

Distribution

Delphinium uliginosum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:77529-2
WFO ID wfo-0000640861
COL ID 6CJ9B
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Delphinium uliginosum Delphinium decorum var. uliginosum