Leucojum aestivum L.

Summer snowflake (en), Nivéole elégante (fr), Nivéole d'été (fr)

Species

Angiosperms > Asparagales > Amaryllidaceae > Leucojum

Characteristics

Plants to 30–60 cm; bulb 2–4 × 2–3(–4) cm. Leaves: sheaths 3–6 mm, membranous; blade deep green, linear to ligulate, 30–50(–70) × 0.5–2 cm, apex obtuse, glossy, well developed at anthesis. Scape stout, hollow, 2-winged, compressed, (20–)30–60 cm. Spathe bract solitary, fused, green, lanceolate, 3–5 cm. Flowers: tepals white with yellowish green spot near apex, broadly ovate, (10–)13–22 × 10–12 mm; filaments white, slender, 2–5 mm; anthers 5–6 mm; ovary oblong-ovate, 6–10 × 5–8 mm; style clavate, 5–10 mm, exceeding stamens; stigma truncate, inconspicuous; pedicel 2.5–7 cm, longest equaling or exceeding spathe. Seeds black, 5–7 mm; coat loose, with air pockets at each end. 2n = 22, 24.
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A bulb plant. It grows 45-60 cm high and 10-15 cm wide. The leaves are strap shaped and 5-20 mm wide. They grow in clumps. The leaves are bright deep green. The flower stem is green. The flower stem is sturdy and leafless and carries several white bells. They have green markings just above the tips of the segments. These bell shaped nodding flowers are 18 mm wide.
Bulb 25-40 mm diam. Leaves flat, obtuse, to 50 cm long, 0.5-2 cm wide, dark green. Scape to 60 cm long, flattened, narrowly 2-winged. Pedicels 1.5-6 cm long; flowers scented. Sepals and petals obovate, obtuse, 10-16 mm long, white with green spot below apex. Stamens 7-8 mm long including anther 4 mm long. Style 8-9 mm long; ovary ellipsoidal, c. 6 mm long.
Bulb ovoid, c. 2.5 cm diam. Leaves 3-6, c. = scape, 8-15 mm wide, linear-lorate, bright green. Scape 30-60 cm high, hollow, ± compressed. Flowers (1-2)-3-7, 1.5-2 cm long, < 1.5 cm diam,. campanulate, white with green-tipped segments; spathe 3-5 cm long, green at apex. Capsule almost globose. Seeds black.
Scape 2–4 dm; lvs 3–4 dm, ca 1 cm wide, obtuse; bract foliaceous, 3–5 cm; fls 2–8, on long drooping peduncles; perianth campanulate, ca 2 cm, the tep white, edged with green; 2n=22, 24. Native of Europe, locally established in our range as an escape from cult.
Umbel 3-5(-7)-flowered; perigone-lobes 1-1.5 cm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) 1.06 - 0.12
Mature height (meter) 0.38 - 0.55
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

It is a temperate plant. It is frost hardy. It can grow in full sun or light shade. The soil needs to be moist but well drained. Soils should be rich in organic matter. It suits hardiness zones 6-9.
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Marshes, wet meadows and willow thickets, avoiding acid soils.
Light 5-8
Soil humidity 5-8
Soil texture 1-4
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-7

Usage

The bulbs are cooked and eaten. They are also used to extract starch/flour.
Uses environmental use medicinal
Edible bulbs roots
Therapeutic use Emetic (unspecified), Alzheimer disease (unspecified)
Human toxicity toxic (bulb), toxic (leaf)
Animal toxicity -

Cultivation

Plants are grown from bulbs spaced 15 cm apart. Plants can be divided or the small bulblets used.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Leucojum aestivum habit picture by Gradwohl Markus (cc-by-sa)
Leucojum aestivum habit picture by Denis Bastianelli (cc-by-sa)
Leucojum aestivum habit picture by Marie AURIEMMA (cc-by-sa)

Leaf

Leucojum aestivum leaf picture by Vincent Slotman (cc-by-sa)
Leucojum aestivum leaf picture by Jacobien Gerbrandy (cc-by-sa)
Leucojum aestivum leaf picture by Christophe Christophe (cc-by-sa)

Flower

Leucojum aestivum flower picture by Marie Terrier (cc-by-sa)
Leucojum aestivum flower picture by Mihai Doro (cc-by-sa)
Leucojum aestivum flower picture by kevin casey (cc-by-sa)

Fruit

Leucojum aestivum fruit picture by Federica Veschi (cc-by-sa)

Distribution

Leucojum aestivum world distribution map, present in Åland Islands, Albania, Australia, Austria, Bulgaria, Canada, Switzerland, Czech Republic, Germany, Denmark, Spain, France, Georgia, Greece, Hungary, Ireland, Iran (Islamic Republic of), Italy, Malaysia, Nicaragua, Netherlands, New Zealand, Romania, Turks and Caicos Islands, Ukraine, and United States of America

Conservation status

Leucojum aestivum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:65743-1
WFO ID wfo-0000683092
COL ID 6PSZT
BDTFX ID 38790
INPN ID 105827
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Leucojum hernandezii Leucojum aestivum Nivaria aestivalis Leucojum pulchellum Polyanthemum aestivale Nivaria monadelphia Leucojum aestivum subsp. aestivum

Lower taxons

Leucojum aestivum subsp. pulchellum