9. Tribe ANTHEMIDEAE

1a. Leaves thinly papery; phyllaries gray
arachnoid tomentose, later glabrescent;
capitula widely separated along
branches ............................................... 108a. var. sylvatica
1b. Leaves thickly papery; phyllaries
tomentose; capitula closely spaced
along branches ............................... 108b. var. meridionalis
108a. Artemisia sylvatica var. sylvatica
阴地蒿(原变种) yin di hao (yuan bian zhong)
Leaves thinly papery. Capitula spreading on branches.
Phyllaries gray arachnoid tomentose, later glabrescent.
Forest margins, shrublands, humid areas; low elevations. Anhui,
SE Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu,
Jiangxi, Jilin, Liaoning, Nei Mongol, Qinghai, S Shaanxi, Shandong,
Shanxi, Sichuan, Yunnan, Zhejiang [Korea, Mongolia, E Russia].
108b. Artemisia sylvatica var. meridionalis Pampanini, Nuovo
Giorn. Bot. Ital., n.s., 36: 444. 1930.
密序阴地蒿 mi xu yin di hao
ANTHEMIDEAE
711
Leaf blade thickly papery. Capitula closely spaced along
branches. Phyllaries gray tomentose.
● Slopes, roadsides, shrublands. Henan, Jiangsu, Shanxi.
109. Artemisia taibaishanensis Y. R. Ling & Humphries, Bull.
Bot. Res., Harbin 10(1): 17. 1990.
太白山蒿 tai bai shan hao
Subshrubs or perennial herbs, 80–100 cm tall, gray pubescent.
Middle stem leaves: petiole 2–3 cm; leaf blade suborbicular
or broadly ovate, 10–14 × 8–12 cm, 2-pinnatisect; segments
4 or 5 pairs, elliptic or oblong, 5–6 × 2–3 cm; lobules (2
or)3 pairs, rachis narrowly winged, 1- or 2-serrate. Uppermost
leaves and leaflike bracts 1- or 2-pinnatisect. Synflorescence a
broad, much-branched panicle. Involucre ovoid-campanulate or
broadly ovoid, 3–3.5(–4) mm in diam.; phyllaries puberulent,
sometimes glabrescent. Marginal female florets 5–9. Disk florets
14–22, bisexual. Achenes obovoid. Fl. and fr. Aug–Nov.
● Slopes, forest margins, shrublands; middle to high elevations. S
Shaanxi, NE Sichuan.
4. Artemisia sect. Viscidipubes Y. R. Ling, Acta Phytotax. Sin. 18: 506. 1980.
腺毛蒿组 xian mao hao zu
Herbs, perennial, rarely subshrubs; most parts usually finely arachnoid puberulent to tomentose, also with thick multicellular
viscid hairs and/or gland-tipped hairs, and sessile glands. Leaves 1- or 2-pinnatipartite to pinnatisect; lobules 1–8 mm wide. Capitula
ovoid or oblong-ovoid. Phyllary margins scarious, midvein green or sometimes brown. Receptacle glabrous. Marginal florets 2–15;
corolla narrowly tubular or rarely narrowly conical, 2- or 3-toothed or without teeth. Disk florets 2–20(–50), bisexual; ovaries well
developed; style ca. as long as or longer than corolla, branches divergent, recurved at apex.
Twenty-one species: mainly at middle and high elevations in NW and SW China, a few species in S and SE Asia; 20 species (16 endemic) in
China.
Many species contain sesquiterpenoids and some monoterpenoids.
1a. Middle stem leaves with 2–4 pairs of main segments.
2a. Capitula 3–4 mm in diam., in groups of 3–6(–8) on branches of large broad panicles ......................... 116. A. erlangshanensis
2b. Capitula 1.5–3(–4) mm in diam., uniformly distributed along branches in narrow or broad panicles.
3a. Stem and branches with many sessile blunt multicellular hairs and scattered gland-tipped hairs;
middle stem leaves sessile, lobes 3–6(–8) mm wide, revolute, adaxially glandular pubescent and
sparsely arachnoid pubescent, abaxial veins with hairs obviously differently colored from those
elsewhere .......................................................................................................................................................... 118. A. chingii
3b. Stem and branches sparsely pubescent and glandular pubescent or not; middle stem leaves shortly
petiolate, lobes (3–)10 mm wide or more, flat, adaxially uniformly glandular pubescent or on veins
only or mixed with non-glandular hairs, abaxial veins with hairs same or different colors as those
elsewhere.
4a. Lobes of leaves linear or linear-lanceolate, (1–)1.5–2 × 0.3–1 cm; capitula in broad panicles.
5a. Lobes of leaves linear, 10–15(–30) × 3–6 mm ................................................................................ 119. A. simulans
5b. Lobes of leaves linear-lanceolate or elliptic-lanceolate, 15–20 × 5–10 mm ................................ 125. A. rosthornii
4b. Lobes of leaves elliptic, oblong, or oblong-ovate, more than 2 × 1 cm; capitula in narrower
panicles.
6a. Middle stem leaves 3- or ternately 5-partite, distal and lateral lobes subequal, not caudate,
entire or few serrate at margin .................................................................................................. 126. A. sichuanensis
6b. Middle stem leaves 1- or 2-pinnatisect, or -partite, segments 2–4(or 5) pairs, distal ones
longer, or not and then with broadly winged rachis, usually serrate.
7a. Distal lobes not caudate, 2- or 3-cleft, rachis broadly winged.
8a. Leaves papery; capitula oblong or oblong-ovoid, 2.5–3(–4) mm in diam. ................ 124. A. thellungiana
8b. Leaves thickly papery; capitula ovoid, 1.5–2 mm in diam. ........................... 122. A. orientaliyunnanensis