WorldFloraDB - Aristolochia clematitis

Characteristics

Herbs , erect, to 1 m. Young stem ribbed, glabrous to puberulent. Leaves: petiole 4-7 cm. Leaf blade deltate to reniform, 4-6 × 5-6.5 cm, base cordate, sinus depth 1-2 cm, apex obtuse to rounded; surfaces abaxially glabrous; venation palmate. Inflorescences on new growth, axillary, fascicles or solitary flowers; peduncle not bracteolate, 1-4 cm. Flowers: calyx yellow-brown, curved; utricle angled upward, ovoid to globose, 0.5 × 0.2-0.3 cm; syrinx absent; tube curved upward, cylindric, 1-3 × 0.2-0.3 cm; annulus absent; limb purple, 1-lobed, lobe funnel-shaped, 1-6 cm, pilose; gynostemium 3-lobed, globose, 1-4 mm; anthers 6; ovary 6-locular, 1-4 cm. Capsule ± globose, 3 × 2-3 cm, dehiscence basipetal; valves 6; septa entire, not attached to valves. Seeds flat, triangular, 1 × 1.2 cm.

More

Stems ascending or reclining, 5–10 dm; lvs broadly cordate, 5–10 cm long and wide, blunt to subacute, pale beneath, the broadly rounded basal auricles somewhat incurved below the rounded sinuses; fls in small axillary fascicles, the yellow perianth nearly straight, 3 cm, enlarged around the ovary, terminating in an ovate lobe on one side; 2n=14. Native of s. Europe, occasionally escaped from cult. in our range. Summer.

Life form

perennial

Growth form

herb

Growth support

climber

Foliage retention

evergreen

Sexuality

hermaphrodite

Pollination

entomogamy

Spread

barochory

Mature width (meter)

0.3 - 0.5

Mature height (meter)

0.7 - 0.8

Root system

rhizome

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

c3

Environment

Waste ground, roadsides, gardens, orchards etc.

Light
Soil humidity
Soil texture
Soil acidity
Soil nutriment
Hardiness (USDA)

Usage

Uses	medicinal poison
Edible	-
Therapeutic use	Cacoethes (unspecified), Cancer (unspecified), Cancer(Breast) (unspecified), Cancer(Nose) (unspecified), Depurative (unspecified), Parturition (unspecified), Poison (unspecified), Polyp(Nose) (unspecified), Stimulant (unspecified), Tumor (unspecified), Tumor(Uterus) (unspecified), Vulnerary (unspecified)
Human toxicity	toxic (whole)
Animal toxicity	-

Cultivation

Can be grown by cuttings, divisions or seedlings. Seeds needs soaking.

Mode	cuttings divisions seedlings
Germination duration (days)	30 - 90
Germination temperacture (C°)	20 - 25
Germination luminosity	-
Germination treatment	soaking
Minimum temperature (C°)	-23
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-