Roemeria orientalis (Gintzburger et al., 2003)

From PlantUse English
Jump to: navigation, search
Papaver pavoninum
Gintzburger et al., Rangelands in Uzbekistan, 2003
Roemeria orientalis (Gintzburger et al., 2003)
Limonium otolepis
Roemeria orientalis
Roemeria orientalis
Roemeria refracta in Moyunkum (Kazakhstan)

Roemeria orientalis Boiss.

Local name:

  • Russian: Ремерия восточная - remerija vostočnaja
  • Uzbek: Kyz-galdak, Lola-kazakh

Chromosome number: 2n = 22 (Sugiura 1937).

Description and morphology: Annual ephemeral herb (height 10–25 cm), pubescent with foetid yellow latex. Stem: unbranched or few, erect or ascending. Leaves: 2–3-pinnatisected into narrow segments; lobes (0.5– 2.0 cm) linear-oblong, bristly at tip; margins serrate; radical leaves long-petiolate; upper sessile. Flowers: bisexual; solitary, bright red; sepals 2; petals (1–2 cm) with a dark spot at base; stamens with black filaments.

Reproduction: Sexual. Flowering and fruit maturation: May–June. Fruit: unilocular capsule (2.5–7.5 cm long, 0.2–0.3 cm wide), many seeded, narrowly cylindrical, glabrescent to densely covered with spreading hairs, 3-valved dehiscing from apex to base. Seed: reniform, reticulate (about 1 mm) with small embryo surrounded by strong endosperm. Light-sensitive. Dormancy B–V1 type.

Pastoral importance: It is not grazed by livestock because of its alkaloid content.

Fodder value: None.

Economic interest: Petals of plants are used by local people to dye silk and wool black.

Habitat: Occurs on sandy plains and desert wadis.

Distribution: Central Asia, West Asia to Pakistan, North Africa and Egypt.

Other: Roemeria sp.