Published July 14, 2022 | Version v1
Taxonomic treatment Open

Thalictrum Linnaeus 1753

  • 1. Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & University of Chinese Academy of Sciences, Beijing 100049, China & zengyoupai @ scbg. ac. cn; https: // orcid. org / 0000 - 0003 - 3259 - 8011
  • 2. Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & yuanqiong @ scib. ac. cn; https: // orcid. org / 0000 - 0003 - 2613 - 5045
  • 3. Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & Center of Conservation Biology, Core Botanical Gardens, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, Guangdong, China & qeyang @ scib. ac. cn; https: // orcid. org / 0000 - 0002 - 6261 - 0731

Description

Key to Thalictrum reniforme and its morphologically similar species

1a. Stipules broadly auricular; sepals purplish-green, narrowly elliptic, smaller (4.5‒6 mm long), caducous, absent when flowering T. neurocarpum

1b. Stipules sheath-like; sepals usually purple, ovate, broadly ovate or broadly elliptic, usually larger (5‒15 mm long), not caducous, present when flowering ......................................................................................................................................................................2

2a. Stems (at least distal part), mature leaves and achenes glandular-pubescent; achenes flattened-compressed...................................3

2b. Stems, mature leaves and achenes glabrous; achenes slightly compressed .......................................................................................4

3a. Leaf axils with bulbils; achenes wingless, laterally not ribbed ........................................................................................ T. chelidonii

3b. Leaf axils without bulbils; achenes winged, laterally prominently 2‒3-ribbed ................................................................. T. delavayi

4a. Inflorescence lax, leafy, corymbiform; styles of achenes recurved at apex ................................................................ T. diffusiflorum

4b. Inflorescence more or less denser, not leafy, paniculiform; styles of achenes straight .................................................... T. reniforme

Notes

Published as part of Zeng, You-Pai, Yuan, Qiong & Yang, Qin-Er, 2022, Thalictrum cuonaense (Ranunculaceae) is merged with the Himalayan T. reniforme, with notes on its morphologically similar species, pp. 221-244 in Phytotaxa 554 (3) on page 242, DOI: 10.11646/phytotaxa.554.3.2, http://zenodo.org/record/6831446

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Additional details

Biodiversity

Family
Ranunculaceae
Genus
Thalictrum
Kingdom
Plantae
Order
Ranunculales
Phylum
Tracheophyta
Scientific name authorship
Linnaeus
Taxon rank
genus
Taxonomic concept label
Thalictrum Linnaeus, 1753 sec. Zeng, Yuan & Yang, 2022