WorldFloraDB - Silene dichotoma

Characteristics

Herb, annual or biennial, stout. Stems erect, puberulent or hispid-pubescent, 15–45 (–70) cm high, dichotomously branched above. Leaves white-villose; lower leaves with petiole 10–20 mm long and lamina spathulate to lanceolate; upper leaves sessile, lanceolate, 30–60 mm long, 5–20 mm wide. Inflorescence racemose; branches 5–10-flowered, spreading or drooping; bracts small, with scarious margins at least basally. Pedicels very short. Calyx ovoid-oblong in fruit, 7–17 mm long, not inflated, 10-veined, puberulent between the green veins; calyx lobes ovate-lanceolate, acute. Petal limb 4–8 mm long, white or pink, deeply bifid. Styles 3. Capsule ovoid, 10–14 mm long, opening with 6 teeth; carpophore thick, 1.5–4 mm long, glabrous. Seeds reniform, 1–1.4 mm long, blackish brown, tuberculate, with dorsal edge flat to ± grooved, but not winged.

More

Strongly hirsute annual 3–8 dm; lvs lanceolate to oblanceolate, 3–8 cm × 3–35 mm, the lower usually ciliate-petiolate, the upper sessile; infl usually one or more times dichotomous, with leafy-bracteate, monochasial, raceme-like branches; fls mostly perfect; cal narrowly tubular, 10–15 mm, the 10 green nerves hirsute; pet white to reddish, without auricles, the appendages truncate, 0.2 mm, the blade rhombic-cuneate, 5–9 mm, deeply 2-lobed; stamens exsert (or vestigial); carpophore 2–4 mm; fr 3-locular; seeds 1–1.3 mm wide, finely rugose; 2n=24. Native of Eurasia, widespread as a weed in the U.S. Summer.

A herb.

Life form

annual

Growth form

herb

Growth support

free-standing

Foliage retention

-

Sexuality

hermaphrodite

Pollination

entomogamy

Spread

anemochory

Mature width (meter)

-

Mature height (meter)

0.5 - 1.0

Root system

tap-root

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

Grows in disturbed areas.

More

It is a temperate plant.

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

Usage

The leaves are used in salads. They are also roasted and used in pies. The young seeds are eaten raw.

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

Cultivation

Mode	-
Germination duration (days)	15 - 20
Germination temperacture (C°)	21
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-