Betonica orientalis

from Wikipedia, the free encyclopedia
Betonica orientalis
Systematics
Euasterids I
Order : Mint family (Lamiales)
Family : Mint family (Lamiaceae)
Subfamily : Lamioideae
Genre : Betonien ( Betonica )
Type : Betonica orientalis
Scientific name
Betonica orientalis
L.

Betonica orientalis is a plant from the genus of Betonien ( Betonica ) within the family of Labiatae (Lamiaceae).

description

Differentiation from other types

Betonica orientalis can be easily distinguished from Betonica officinalis by the felty hair (recognizable under the microscope as star hairs) . The closest morphologically related in Europe is Betonica scardica from the Balkans.

Vegetative characteristics

Betonica orientalis is a perennial herbaceous plant and reaches heights of 30 to 60 centimeters. It forms an underground, nodular rhizome as a survival organ. The upright, coarse stem is covered with bent, bristly hair. The leaves of the basal rosette, like the lower ones, have long stalks and the petioles are hairy. Foliage leaves are oval-lanceolate, heart-shaped at the base of the blades, rounded, notched at the tip. The upper side of the leaf is green with scattered hairs, the underside clearly veined, gray, and abundant star hairs.

Generative characteristics

The flowering time is in July. The inflorescence is very dense, compact, elongated, spear-shaped. The almost sessile bracts are ovate-lanceolate, densely covered with star hairs and simple limb hairs, as long as or shorter than the flowers. The hermaphrodite flowers are zygomorphic with a double flower envelope . The 13 millimeter long sepals are fused to 2/3 to 3/5 of their length with wide tubes. The purple corolla is two-lipped. The corolla tube is hairy scattered. The upper lip as long as or shorter than the lower lip. The lower lip has a broadly rounded middle lobe and rounded side lobes. The stamens and the stigma tower above the corolla.

Occurrence

Betonica orientalis occurs in the Caucasus region in the southern and eastern Transcaucasia and is generally distributed from eastern Turkey to northwestern Iran.

Betonica orientalis thrives on dry slopes and in bush formations.

Taxonomy

The first publication of Betonica orientalis was in 1753 by Carl von Linné . The holotype is in the Linnean Herbarium in London. Linnaeus only indicated the "Orient" as origin. The specific epithet orientalis is derived from the Latin word for Asia Minor "Orient".

Synonyms for Betonica orientalis L. are: Betonica macrostachya Wender , Stachys longifolia Benth.

literature

  • OE Knorring: Betonica L. In: BK Schischkin (Ed.): Flora of the USSR , Labiatae. Volume 21, 1954, pp. 237-242. Academy of Sciences of the USSR, Moscow & Leningrad. (Russian). English translation from Russian by the Israel Program for Scientific Translation, Jerusalem 1977. p. 176 PDF.

Individual evidence

  1. ↑ a b c d e f OE Knorring: Betonica L. In: BK Schischkin (ed.): Flora of the USSR , Labiatae. Volume 21, 1954, pp. 237-242. Academy of Sciences of the USSR, Moscow & Leningrad. (Russian). English translation from Russian by the Israel Program for Scientific Translation, Jerusalem 1977. p. 176 PDF.
  2. ^ Reba Bhattacharjee: Taxonomic studies in Stachys: II - A new infrageneric classification of Stachys L. In: Notes from the Royal Botanic Garden Edinburgh , Volume 38, Issue 1, 1980, pp. 65-96. See page 74.
  3. ↑ Rafaël Govaerts (ed.): Betonica orientalis. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved September 14, 2019.