Colchicum autumnale L.

Naked lady (en), Colchique dautomne (fr), Safran des prés (fr), Colchique d'automne (fr)

Species

Angiosperms > Liliales > Colchicaceae > Colchicum

Characteristics

Leafless at flowering in autumn, leaves produced in spring as fruit ripens. Corm 3-5 cm long, ovate; sheaths dark brown, ± leathery, elongate. Leaves 15-35 × 2-5 cm, spreading, clustered 4 or more, linear-to broadly-lanceolate, bright glossy-green, flat, ± obtuse, glabrous or slightly papillose on margins. Flowers solitary or 2-4, rarely more, pale to deep lilac, rarely white, 8-25 cm long, tube 2-5 times as long as oblong-elliptic lobes. Ovary remaining at base of perianth-tube in ground; styles very long, = or > stamens, recurved at tip to a small obtuse orange stigma. Capsule remaining underground until leaves are mature, when scape elongates and appears above ground ensheathed by leaves, to 8 cm long, oblong-ovate, acute, many-seeded, Seeds c. 3-6 mm diam., many, subglobose, brown, ± rough.
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Autumn-crocus, rarely escapes from cult. Its poisonous bulbs produce in autumn 1–3 rose-purple fls the bases of which are below-ground; the perianth is funnelform with a long (to 2 dm) pedicel-like tube and expands above into a limb 5 cm wide; the lanceolate lvs appear the following spring.
A herb. It produces 1-3 red to purple flowers.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination
Spread barochory
Mature width (meter) 0.13
Mature height (meter) 0.1 - 0.3
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Meadows and damp woodland clearings on calcareous and neutral soils. Extremely rare away from the Bristol Channel in Britain.
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It is a temperate plant.
Light 6-9
Soil humidity 4-6
Soil texture 2-5
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The starch of the root is a famine food for extending bread flour, after removing the bitter element. Caution: It is probably poisonous until properly processed.
Uses dye environmental use material medicinal ornamental poison
Edible roots
Therapeutic use Alterative (unspecified), Diuretic (unspecified), Laxative (unspecified), Leukemia (unspecified), Poison (unspecified), Rheumatism (unspecified), Sudorific (unspecified), Cancer (unspecified), Corn (unspecified), Fatality (unspecified), Gout (unspecified), Homeopathy (unspecified), Sedative (unspecified), Anti-inflammatory agents (unspecified)
Human toxicity very strong toxic (bulb), very strong toxic (seed), very strong toxic (whole)
Animal toxicity very strong toxic (bulb), very strong toxic (seed), very strong toxic (whole)

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 30 - 365
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) 10 - 20
Size -
Vigor -
Productivity -

Images

Habit

Colchicum autumnale habit picture by Coline Limbardet (cc-by-sa)
Colchicum autumnale habit picture by Claudio Malpede (cc-by-sa)
Colchicum autumnale habit picture by Sarami (cc-by-sa)

Leaf

Colchicum autumnale leaf picture by alain baggi (cc-by-sa)
Colchicum autumnale leaf picture by Jean Burger (cc-by-sa)
Colchicum autumnale leaf picture by Elfi Karner (cc-by-sa)

Flower

Colchicum autumnale flower picture by miriam turatto (cc-by-sa)
Colchicum autumnale flower picture by Coline Limbardet (cc-by-sa)
Colchicum autumnale flower picture by Francesca (cc-by-sa)

Fruit

Colchicum autumnale fruit picture by Jean Burger (cc-by-sa)
Colchicum autumnale fruit picture by natnono (cc-by-sa)
Colchicum autumnale fruit picture by Eduard Jendek (cc-by-sa)

Distribution

Colchicum autumnale world distribution map, present in Albania, Austria, Bulgaria, Switzerland, Czech Republic, Germany, Denmark, Spain, France, United Kingdom of Great Britain and Northern Ireland, Greece, Hungary, Ireland, Italy, Nicaragua, Netherlands, New Zealand, Poland, Romania, Sweden, Ukraine, and United States of America

Conservation status

Colchicum autumnale threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:533232-1
WFO ID wfo-0000763824
COL ID WX9R
BDTFX ID 18541
INPN ID 92127
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Bulbocodium antumnale Colchicum autumnale Colchicum praecox Colchicum transsilvanicum Colchicum borisii Colchicum orientale Colchicum pannonicum Colchicum polyanthon Colchicum vernum Colchicum commune Colchicum bulgaricum Colchicum vernale Bulbocodium autumnale Colchicum autumnale f. macropetala Colchicum autumnale f. milosi Colchicum autumnale f. radei Colchicum crociflorum Colchicum drenowskii Colchicum rhodopaeum Colchicum vranjanum Colchicum autumnale subsp. pannonicum Colchicum autumnale var. vernale Colchicum autumnale var. transsilvanicum Colchicum turcicum subsp. pannonicum Colchicum autumnale var. vernum Colchicum autumnale var. pannonicum Colchicum autumnale var. bulgaricum Colchicum autumnale subsp. vernum Colchicum autumnale var. viridiflorum Colchicum autumnale var. speciosissimum Colchicum doerfleri var. orientale Colchicum autumnale var. elatius Colchicum autumnale f. pannonicum Colchicum autumnale f. transsilvanicum Colchicum autumnale f. bulgaricum