Artemisia neosinensis Jiao & Gao
Creators: name: Guo, Xin-Qiang
name: Wang, Long
name: Yang, Qin-Er
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Asterales
Asteraceae
Artemisia
Artemisia neosinensis

description: Key to Artemisia neosinensis and its similar taxa
1a. Disk florets sterile; middle stem leaves 3-partite; phyllaries abaxially glabrous............................................................. A. tridactyla
1b. Disk florets fertile; middle stem leaves 1- or 2-pinnatisect; phyllaries abaxially tomentose, sparsely pubescent, rarely glabrous .... ............................................................................................................................................................................................................2
2a. Stems, adaxial side of leaves and abaxial side of phyllaries viscid-pubescent ..................................................................................3
2b. Stems, adaxial side of leaves and abaxial side of phyllaries arachnoid-tomentose, tomentose, sparsely pubescent or glabrous........ ............................................................................................................................................................................................................4
3a. Middle stem leaves 1-pinnatisect with 2–3 segments on each side....................................................................................................5
3b. Middle stem leaves 2-pinnatisect with 4–6 segments on each side....................................................................................................6
4a. Phyllaries and florets whitish when fresh; phyllaries and leaves abaxially glabrous...................................... A. lactiflora var. incisa
4b. Phyllaries and florets green or purple when fresh; phyllaries abaxially sparsely pubescent, tomentose or arachnoid-tomentose, leaves abaxially tomentose.................................................................................................................................................................8
5a. Leaf lobules sparsely serrate ..................................................................................................................... A. zayuensis var. zayuensis
5b. Leaf lobules densely serrate ................................................................................................................. A. zayuensis var. pienmaensis
6a. Leaf lobules lanceolate or oblong; phyllaries abaxially viscid-pubescent ....................................................................... A. mattfeldii
6b. Leaf lobules elliptic or ovate; phyllaries abaxially sparsely arachnoid-pubescent or glabrous .........................................................7
7a. Leaves abaxially sparsely pubescent or glabrous; phyllaries abaxially glabrous...................................... A. tangutica var. tangutica
7b. Leaves abaxially tomentose; phyllaries abaxially arachnoid-tomentose................................................ A. tangutica var. etomentosa
8a. Middle stem leaves 1-pinnatisect, segments entire or sparsely serrate, not lobed .............................................................................9
8b. Middle stem leaves 2-pinnatisect, or rarely 1-pinnatisect, segments pinnatisect or dentate-lobed..................................................10
9a. Leaves adaxially tomentose; phyllaries abaxially tomentose...........................................................................................................11
9b. Leaves adaxially sparsely pubescent; phyllaries abaxially sparsely pubescent ...............................................................................12
10a. Leaves adaxially tomentose; phyllaries abaxially tomentose or arachnoid-tomentose....................................................................13
10b. Leaves adaxially sparsely pubescent, sparsely arachnoid-pubescent, or glabrescent; phyllaries abaxially sparsely pubescent or glabrous ............................................................................................................................................................................................14
11a. Capitula campanulate; 2–3 mm broad, leaf segments linear, 1–2 mm broad................................................................. A. kanashiroi
11b. Capitula hemispheric or ovoid; 3–5 mm broad, leaf segments lanceolate, 3–5 mm broad................................................... A. somae
12a. Capitula campanulate; leaf segments linear-lanceolate, 3–5 mm broad ...................................................................... A. verlotiorum
12b. Capitula hemispheric or ovoid; leaf segments elliptic or narrowly elliptic, 6–10 mm broad ............................................. A. robusta
13a. Capitula campanulate; middle stem leaves 1-pinnatisect, segments dentate-lobed, lobules ovate-acuminate or ovate A. neosinensis
13b. Capitula hemispheric or ovoid; middle stem leaves 2-pinnatisect, segments pinnatisect, lobules lanceolate, linear-lanceolate, oblong, elliptic or ovoid ...................................................................................................................................................................15
14a. Capitula hemispheric ........................................................................................................................................................................20
14b. Capitula campanulate .......................................................................................................................................................................21
15a. Leaf lobules lanceolate or linear-lanceolate .....................................................................................................................................16
15b. Leaf lobules oblong, elliptic, ovoid or cuneate ................................................................................................................................17
16a. Leaf lobules 0.5–0.8 cm long; synflorescence a simple raceme, rarely a panicle; capitula 0.6–1.0 cm in diameter........... A. smithii
16b. Leaf lobules 1–3 cm long; synflorescence a narrow or broad panicle; capitula 0.2–0.6 cm in diameter ......................... A. speciosa
17a. Leaf lobules oblong or elliptic..........................................................................................................................................................18
17b. Leaf lobules ovoid or ovate ..............................................................................................................................................................19
18a. Phyllaries abaxially brown tomentose.............................................................................................................................. A. imponens
18b. Phyllaries abaxially gray arachnoid-tomentose............................................................................................................ A. tainingensis
19a. Plants 8–30 cm tall; phyllaries abaxially brown tomentose ........................................................................................... A. campbellii
19b. Plants 50–70 cm tall; phyllaries abaxially gray tomentose .......................................................................................... A. wallichiana
20a. Leaves lobules elliptic or elliptic-lanceolate ............................................................................................ A. orientalihengduangensis
20b. Leaves lobules ovate-acuminate or cuneate ............................................................................................................... A. roxburghiana
21a. Capitula larger, 2–3.5 mm broad .................................................................................................................................. A. qinlingensis
21b. Capitula smaller, 1–1.5 mm broad....................................................................................................................................................22
22a. Leaf lobules linear or lanceolate, marginally irregularly serrate................................................................................... A. mongolica
22b. Leaf lobules elliptic-lanceolate or linear-lanceolate, marginally entire or rarely serrate ................................................ A. divaricata
description: Published as part of Guo, Xin-Qiang, Wang, Long & Yang, Qin-Er, 2022, Clarification of morphological characters and geographical distribution of Artemisia neosinensis (Asteraceae, Anthemideae), a strikingly misunderstood species from China, pp. 11-36 in Phytotaxa 544 (1) on pages 34-35, DOI: 10.11646/phytotaxa.544.1.2, http://zenodo.org/record/6501352