Poa bactriana subsp. bactriana var. vivipara Tzvelev, Novosti Sist. Vyssh. Rast.

2.1. 2Poa bactriana subsp. bactriana var. viviparaTzvelev, Novosti Sist. Vyssh. Rast. 10: 96. 1973. Type. [Uzbekistan] • Buchara, Denau, Bibi-tschaka, 22 May 1906, R. Roshevitz, “ Edit. Horti. Bot. Petropol., no. 28 ” (lectotype, here designated: US [04127774]; isolectotype: LE {n. v.}. Diagnosis. Like Poa bactriana subsp. bactriana but with spikelets bulbiferous. Distribution and ecology. Afghanistan, India, Iran, Kazakhstan, Kyrgyz Republic, Pakistan, Tajikistan, Turkmenistan, and Uzbekistan. Loose sandy to clayey, sometimes stony slopes, including Juniper forests, middle to upper mountains. Conservation status. None. Discussion. Tzvelev (1973) treated this as a variety within Poa bactriana but later treated it as a variety within P. bactriana subsp. bactriana (Tzvelev 1976). Although Tzvelev noted two n °. 28 “ isotypes ” at LE (1976, p. 450), no single sheet was designated as a holotype (Tzvelev 1973) or lectotype. The US lectotype, a duplicate distributed as Poa bulbosa var. vivipara, has a printed label matching the protologue. The culms in the US lectotype are up to 55 cm tall, with flag-leaf blades ca. 5 cm long, panicles loosely many flowered, some with many normal spikelets with glabrous lemmas, agreeing with subsp. bactriana. Roshevitz 834 [US 04073182], also from Bibi-tschaka, as “ v. vivipara ” (in Roshevitz hand), is a probable isolectotype but lacks a date and the number 28. Representative specimens. Afghanistan. (H. S. Gentry 12761 US). Kyrgyzstan. (Kalinina s. n. US [det.?]). Pakistan. (Chitral, Jambatai, Hariss 16820 US). Uzbekistan. (Roshevitz 834 US).

Authors

Institutions

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-11
DOI
https://doi.org/10.5281/zenodo.24143000
Primary Topic
Plant Taxonomy and Phylogenetics
Type
article
Field-Weighted Citation Impact
0.00
Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
article

Poa bactriana subsp. bactriana var. vivipara Tzvelev, Novosti Sist. Vyssh. Rast.

Evren Cabi, Robert John SORENG, Lynn Judith GILLESPIE
Zenodo (CERN European Organization for Nuclear Research)
Plant Taxonomy and Phylogenetics
article

Poa bactriana subsp. bactriana var. vivipara Tzvelev, Novosti Sist. Vyssh. Rast.

Evren Cabi, Robert John SORENG, Lynn Judith GILLESPIE
article en

Abstract

2.1. 2Poa bactriana subsp. bactriana var. viviparaTzvelev, Novosti Sist. Vyssh. Rast. 10: 96. 1973. Type. [Uzbekistan] • Buchara, Denau, Bibi-tschaka, 22 May 1906, R. Roshevitz, “ Edit. Horti. Bot. Petropol., no. 28 ” (lectotype, here designated: US [04127774]; isolectotype: LE {n. v.}. Diagnosis. Like Poa bactriana subsp. bactriana but with spikelets bulbiferous. Distribution and ecology. Afghanistan, India, Iran, Kazakhstan, Kyrgyz Republic, Pakistan, Tajikistan, Turkmenistan, and Uzbekistan. Loose sandy to clayey, sometimes stony slopes, including Juniper forests, middle to upper mountains. Conservation status. None. Discussion. Tzvelev (1973) treated this as a variety within Poa bactriana but later treated it as a variety within P. bactriana subsp. bactriana (Tzvelev 1976). Although Tzvelev noted two n °. 28 “ isotypes ” at LE (1976, p. 450), no single sheet was designated as a holotype (Tzvelev 1973) or lectotype. The US lectotype, a duplicate distributed as Poa bulbosa var. vivipara, has a printed label matching the protologue. The culms in the US lectotype are up to 55 cm tall, with flag-leaf blades ca. 5 cm long, panicles loosely many flowered, some with many normal spikelets with glabrous lemmas, agreeing with subsp. bactriana. Roshevitz 834 [US 04073182], also from Bibi-tschaka, as “ v. vivipara ” (in Roshevitz hand), is a probable isolectotype but lacks a date and the number 28. Representative specimens. Afghanistan. (H. S. Gentry 12761 US). Kyrgyzstan. (Kalinina s. n. US [det.?]). Pakistan. (Chitral, Jambatai, Hariss 16820 US). Uzbekistan. (Roshevitz 834 US).

Zenodo (CERN European Organization for Nuclear Research)
Smithsonian Institution (US), Tekirdağ Namık Kemal University (TR), National Museum of Natural History (US), Canadian Museum of Nature (CA)
Plant Taxonomy and Phylogenetics
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.

Laika access coming soon