Orobanche arpica Piwow., Ó. Sánchez & Moreno Mor. (2018c: 66)

Piwowarczyk, Renata, Pedraja, Óscar Sánchez, Moral, Gonzalo Moreno, Fayvush, George, Zakaryan, Narine, Kartashyan, Nune & Aleksanyan, Alla, 2019, Holoparasitic Orobanchaceae (Cistanche, Diphelypaea, Orobanche, Phelipanche) in Armenia: distribution, habitats, host range and taxonomic problems, Phytotaxa 386 (1), pp. 1-106 : 94

17. Orobanche arpica Piwow., Ó. Sánchez & Moreno Mor. (2018c: 66) . Type:— ARMENIA (holotype): Shirak prov.: Javakheti range, E of villages Ghazanchi – Ashotsk , 22 July 2017, R . Piwowarczyk ( KTC!); isotypes: ( ERCB!). Fig. 45F .

Distribution: —The species is known only from the type locality in northwestern Armenia in Shirak province ( Fig. 63).

Habitat: —Grows in a subalpine meadow, on the SWW slope of Mt Ampasar, with NW exposure, 2225–2230 m.

Hosts: —Parasitic on Psephellus pulcherrimus (Willd.) Wagenitz [ Aetheopappus pulcherrimus (Willd.) Cass. ] ( Asteraceae ).

Phenology: —Flowering in the first half of July, fruiting in the end of July to early August.

Conservation status: —Critically Endangered (CR) – B 1 ab (iii) + 2 ab (iii); D. So far, known only from one locality from Armenia. The population is small, ca. 30 individuals. Limiting factors are restricted EOO and AOO.

Notes: — Orobanche arpica clearly belongs morphologically and phylogenetically to species from the O. ser. Krylowianae Piwow., Ó. Sánchez & Moreno Mor., O. subsect. Curvatae (Beck) Piwow., Ó. Sánchez & Moreno Mor. (see also key, and comparative table with related species and discussion in Piwowarczyk et al. 2018c).

Specimens examined: — ARMENIA. Shirak prov.: Javakheti range, E of villages Ghazanchi –Ashotsk , subalpine meadow, NW exposure, 2225 m, 22 July 2017, R . Piwowarczyk ( ERCB, KTC) .

Figures

FIGURE 45. General habit of: A. Orobanche colorata, B. O. bartlingii, C. O. alba, D. O. javakhetica, E. O. owerini, F. O. arpica. Photos by Renata Piwowarczyk.