Thalictrum hengduanshanense, T. longistipitatum and their morphologically similar species, 1753

Zeng, You-Pai, Yuan, Qiong & Yang, Qin-Er, 2022, Thalictrum hengduanshanense and T. longistipitatum (Ranunculaceae), two new species from southeastern Xizang and northwestern Yunnan, China, Phytotaxa 571 (1), pp. 1-20 : 16

publication ID

https://doi.org/ 10.11646/phytotaxa.571.1.1

DOI

https://doi.org/10.5281/zenodo.7276950

persistent identifier

https://treatment.plazi.org/id/3516957E-FFBB-FFFE-85B9-BF99FA0FF87B

treatment provided by

Plazi

scientific name

Thalictrum hengduanshanense, T. longistipitatum and their morphologically similar species
status

 

Key to morphologically similar species:—To facilitate the identification of Thalictrum hengduanshanense, T. longistipitatum and their morphologically similar species View in CoL , a diagnostic key is given below.

1a. Carpels glabrous; styles of carpels apically uncinate or circinate .................................................................................. T. rostellatum View in CoL

1b. Carpels glandular-pubescent; styles of carpels straight or apically slightly recurved........................................................................2

2a. Styles of carpels and achenes straight; achenes subsessile ................................................................................................... T. wangii View in CoL

2b. Styles of carpels and achenes apically slightly recurved; achenes distinctly stipitate .......................................................................3

3a. Pedicels apically abruptly recurved; styles of carpels and achenes ca. 1 mm long.................................................. T. longistipitatum View in CoL

3b. Pedicels straight; styles of carpels and achenes ca. 2 mm long..........................................................................................................4

4a. Inflorescence laxly branched, corymb-like; achenes ca. 9 mm long; achene bodies narrowly lunate, body width/body length = ca. 1/3 ...................................................................................................................................................................... T. hengduanshanense View in CoL

4b. Inflorescence narrowly paniculiform; achenes 4.5‒7 mm long; achene bodies broadly lunate, body width/body length = ca. 1/2.... .................................................................................................................................................................................. T. tsawarungense View in CoL

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