Rough chervil |
Inflorescence,
node, leaf, involucel and fruits of the
rough chervil
| Chaerophyllum temulum L.: | |
| Blooming period: | May–July |
| Height: | 30–100 cm |
| Flowers: | Ø approx. 2 mm, bisexual, stamens: 5, styles: 2 |
| Petals: | 5, white, notched, the marginal ones slightly enlarged |
| Calyx teeth: | inconspicuous |
| Stem leaves: | alternate, 2- to 3-fold pinnate |
| Basal leaves: | stalked, 2- to 3-fold pinnate |
Biennial plant, with spindle-shaped taproot.
Stem erect, red-purple, spotted red at the base, solid, bristly, grooved, angular, branched at the top. Below the nodes thickened.
Basal leaves stalked, 2- to 3-fold pinnate, densely or loosely hairy on both sides.
Stem leaves 3–6, alternate, stalked or sessile, lower leaves similar to the basal leaves, upper leaves smaller and often only simply pinnate.
Inflorescence: double umbel; umbel with 5 to 11 rays, slightly convex, involucre usually missing.
Raylet leaves (involucel) 6–9, ciliated and membranous at the margin, broad lanceolate, pointed, slightly fused at the base. Umbellules with 7 to 14 flowers.
The
marginal petals are slightly
enlarged. Kronblätter emarginate or
notched to the halfway, not ciliated.
The two styles
are about as long as the stylopodium, easily spreading or upright.
From the ovary after insect pollination developed a 2-piece, 4–6 mm long, narrow ovate to lance-shaped, slightly flattened, not beaked, dark brown schizocarp with 10 flat and indistinct, light brown ribs. Plant slightly toxic!
| Floral formula: |
| *–↓ K5 C5 A5 G(2) inferior |
Occurrence:
Forests,
forest edges, thickets, ruderal areas. Prefers easily shaded, slightly
warm, slightly moist and rather nitrogenous locations.
Distribution:
Central
Europe, northwest Africa, Turkey and the former Soviet Union.