Asperula hercegovina

Asperula hercegovina, commonly known as the Hercegovinian woodruff (in Bosnian, hercegovačka lazarkinja) is an endemic Herzegovinian herb of the family Rubiaceae.[1][2]

Herzegovinian bellflower
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Rubiaceae
Genus:
Asperula
Species:
A. hercegovina
Binomial name
Asperula hercegovina
(A.Degen) 1886
Synonyms

A. hexaphylla, Beck, non All., A. capitata, Kit., Schultes subsp. hercegovina (Degen) Hayek

Description

This endemic species is a perennial herb. It tends to reach about 10–20 cm tall and can be smooth or hairy. Its leaves occur in apparent whorls, with a rough length of 13–25 cm and a width of about 1.5–2 (rarely 3) mm wide. Leaves are linear lancet, smooth or hairy, with rough edges and are longer than internodia. They have 6–12 involucral ballots that are 4–5 mm long and 2–4 mm wide. The shape of their lanceolate is egg-shaped or oval.

It blooms in July and August. Flowers are in pseudoumbellated inflorescences, which are composed of 25–30 flowers. The crown is in four-parts, with length of 3–5 mm; it is white to pink. The flower has a funnel-shaped corolla with clearly developed, 3–4 mm long tube and a circumference is divided into 4 lobules 1.5–2.5 mm in length. The laps of these flower cups are poorly developed. The stigma is a two-part and more than crowns. The fruit is about 1.5 mm long and hairless.

One variety of this species is described: A. hercegovina. var. Prodani Degen, whose members are mostly hairy: stalking, leaves, bracts and crown.

Ecology and distribution

The most common habitat for these plants are cracked limestone rocks, at an altitude of about 1,500 m, but more frequently from 1,700 to 2,000 and up to 2,100 m. It occurs in endemic Dinaric plant communities.

These plant species are endemic to Southeast Dinaric mountains range of Bjelašnica and mountains of Herzegovina endemic center – Prenj, Čvrsnica (with the Plasa), Čabulja, and Velež.

Locus classicus is located in Herzegovina: Prenj, Borašnica, at about an altitude of 1,800 m.[3]

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References
  1. Šilić Č. (1990). Endemične biljke (3rd ed.). Sarajevo: Svjetlost. ISBN 86-01-02557-9.
  2. Sofradžija A.; Šoljan D.; Hadžiselimović R. (2004). Biologija 1. Svjetlost, Sarajevo. ISBN 9958-10-686-8.
  3. (Degen, A. 1890)
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