WorldFloraDB - Myagrum perfoliatum

Characteristics

Annual herb 15–100 cm tall, erect, glabrous and glaucous. Basal leaves oblanceolate, sagittate, pinnatifid to sinuate-dentate, petiolate; cauline leaves oblong-lanceolate, stem-clasping, denticulate to entire, sessile. Inflorescence an elongated raceme. Sepals 3 mm long, erect, the lateral ones slightly saccate. Petals 3–5 mm long, yellow. Stamens 6. Style short. Silicula obpyriform, 6–8 mm long, 5 mm wide, slightly compressed, 3-locular; upper 2 locules (shoulders of fruit) empty, between mesocarp and exocarp; lower locule with 1, rarely 2, pendulous seed(s); surface tuberculate-rugose; pedicels appressed, 4–5.5 mm long, 2 mm thick. Seeds ovoid, 3 mm long.

More

Stems branched at or distal to middle, rigid, 2-5(-6) dm. Basal leaves (withered by anthesis); shortly petiolate; blade oblan-ceolate, 2-7 cm × 5-15 mm. Cauline leaves sessile; blade oblong to lanceolate, (1-) 1.5-6(-8)cm × (3-)5-20(-25) mm (smaller distally), apex acute or obtuse. Fruiting pedicels 3-5 mm, (much wider distally, hollow). Flowers: sepals 2.5-3.5 × 0.6-1.4 mm; petals 3-5 × 0.7-1.4 mm, base attenuate; filaments 2.5-3.7 mm; anthers 0.5-0.7 mm. Fruits 4.5-7.5(-8.5) × 2.5-4.5(-5) mm; style (0.8-)1.2-2 mm. Seeds 2-3 × 1-2 mm. 2n = 14.

Glabrous and glaucous annual 3–5 dm; cauline lvs narrowly oblong; obtuse, entire or sparsely denticulate; fls sessile or subsessile, 2 mm wide; mature pedicels appressed, thickened distally, 2–4 mm; fr 5–7 mm; 2n=14. Native of Eurasia, established as a weed here and there in our range.

A herb.

Life form

annual

Growth form

herb

Growth support

free-standing

Foliage retention

-

Sexuality

hermaphrodite

Pollination

entomogamy

Spread

barochory

Mature width (meter)

-

Mature height (meter)

0.2 - 0.9

Root system

-

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

It is a temperate plant.

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

Usage

The leaves are boiled and eaten.

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

Cultivation

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