Orobanche ramosa L. (knotweed)
Orobanche ramosa L. (knotweed)
Family: | Orobanchaceae |
Habitat: | Cultivated land, roadsides |
Growth habit: | Herbaceous, parasitic (root parasite) |
Plant size: | 10 - 20 cm tall |
Flower colour: | blue - violet |
Flowering time | April - September |
Leaf characteristics: | scale leaves, brownish, reddish |
Flower characteristics: | Flowers in spikes; each with one supporting leaf and 2 adjacent bracts, 4-toothed calyx, 2-lipped corolla |
Fruits: | two-leaved, compartmentalised, dry-opening scattered capsules |
Special features: | Stem with glandular hairs, plant practically chlorophyll-free |