Elymus lachnophyllus (Ovcz. & Sidorenko) Tzvelev

Alieva, Kumush B., Peng, Yilong, Usupbaev, Adilet, Tojibaev, Komiljon Sh., Yusupov, Ziyoviddin, Ergashov, Ibrokhimjon, Azimova, Dilnoza & Jiang, Zhilin, 2025, Synopsis of the genus Elymus (Poaceae) in Uzbekistan (Middle Asia) with a description of Elymus uzbekistanicus a new species from Turkestan Mts, PhytoKeys 257, pp. 9-50 : 9-50

3. Elymus lachnophyllus (Ovcz. & Sidorenko) Tzvelev in Novosti Sist. Vyssh. Rast. 9: 61 (1972)

≡ Agropyron lachnophyllum (Ovcz. & Sidorenko) Bondarenko in Opred. Rast. Sred. Azii 1: 173 (1968). ≡ Roegneria lachnophylla Ovcz. & Sidorenko in Fl. Tadzhiksk. S. S. R. 1: 505 (1957).

Type.

Tajikistan • Kussavli-Saj , in juniperetis stepposis ad 2500–2600 m. Date unknown, Ovczinnikov s. n. (holotype LE) .

Description.

Stems 60–120 cm, shortly hairy. Leaves 7–12 mm wide, flat, and short-hairy on both surfaces. Sheaths hairy. Ligule short. Spikes with closely spaced spikelets, often one-sided. Spikelets usually with 5–8 florets. Internodes of spike rough along two lateral ridges. Glumes lanceolate-oblong, intervals between veins wider than veins; apex abruptly acute. Awn of lemma straight, to 6 mm. Palea linear. Anthers 2–3 mm (Fig. 5 ).

Phenology.

Flowering and fruiting: June-August.

Habitat.

On rocky slopes, within Juniperus forests, in middle mountain belt, 2200–2600 m.

General distribution.

Middle Asia (Pamir-Alay: Hissar, Darvaz, Turkestan Ranges): Tajikistan, Uzbekistan.

Distribution in Uzbekistan.

Kashkadarya region (Fig. 3 B ). I- 6 Western Hissar district. I- 6 - a Kashkadarya region. HISSAR RANGE (Western Pamir-Alay. Kyzyl-Darya River Basin. Karam-Kul tract. Eastern slope (40 °) in the upper reaches of the Karam-Kul River, 01. 09. 1941, Koshernikova 652 [TASH 046021!]).

Note.

Elymus lachnophyllus is given here as a new record to the flora of Uzbekistan.

Figures

Figure 3. Distribution maps of Elymus species in Uzbekistan A E. caninus B E. lachnophyllus C E. fedtschenkoi D E. longearistatus E E. macrochaetus F E. nevskii G E. praeruptus H E. transhyrcanus I E. tschimganicus J E. tianschanigenus.

Figure 5. Elymus lachnophyllus a spike b spikelet c glumes d lemmas and paleas e stem f node g ligule (https://doi.org/10.13140/RG.2.2.18332.30088).