9. Tribe ANTHEMIDEAE

● Desert steppes, rocky and grassy slopes; 1000–3900 m. Qinghai,
Xinjiang, Xizang.
169. Artemisia blepharolepis Bunge, Beitr. Fl. Russl. 164.
1852.
白莎蒿 bai suo hao
Herbs, annual, 20–60 cm tall, many branched, gray pubescent,
fetid. Lower and middle stem leaves: petiole 0.5–3 cm;
leaf blade ovate-oblong or oblong, 1.5–4 × 0.3–0.8 cm, densely
gray pubescent, (1 or)2-pinnatisect; segments 5–8 pairs, ovate-
ANTHEMIDEAE
731
oblong or subobovate, 3–5 × 2–3 mm, serrate to pinnatipartite;
teeth 5–8 pairs, 0.3–0.8(–1.5) × 0.3–0.8 mm. Uppermost leaves
and leaflike bracts pinnatipartite or entire, latter elliptic-lanceolate
or lanceolate, few serrate. Synflorescence a broad, diffuse
panicle. Capitula shortly pedunculate. Involucre ellipsoid or oblong-ellipsoid,
1.5–2 mm in diam.; phyllaries gray puberulent.
Female florets 2 or 3. Disk florets 3–6, male. Achenes ellipsoid.
Fl. and fr. Jul–Oct.
Dry slopes, grasslands, steppes, waste areas, roadsides, dunes near
riverbanks; low elevations. Nei Mongol, Ningxia, N Shaanxi [Mongolia].
7. Artemisia sect. Latilobus Y. R. Ling, Acta Phytotax. Sin. 18: 512. 1980.
牡蒿组 mu hao zu
Herbs, perennial, or subshrubs, puberulent or pubescent, often glabrescent, without glandular or viscid hairs (sessile glands often
present). Leaves 1- or 2-pinnatisect to -pinnatipartite or 3–7-subpalmatisect or -partite; lobules linear, lanceolate, elliptic, linear-lanceolate,
or serrate, 1.5–4(–12) mm wide. Capitula globose to ovoid. Phyllary margins scarious. Receptacle glabrous. Marginal florets
2–15(–21); corolla tubular or narrowly conical, often slightly enlarged at base, 2- or 3-toothed. Disk florets 2–20(–30), male; ovaries
usually absent, rarely minute; style shorter than corolla, 2-cleft, lobes usually not divergent, with apex clavate or funnelform.
Twenty-three species: Asia, Europe; 17 species (seven endemic) in China.
Many species contain aromatic compounds and sesquiterpenoids and/or limited monoterpenoids.
1a. Involucre 3–4 mm in diam.; marginal florets 10–15, disk florets 10–30.
2a. Lower stem leaf petioles 5–7 cm; blades 10–15 cm; disk florets 25–30 ................................................... 171. A. bargusinensis
2b. Lower stem leaf petioles to 3 cm; blades 2–5 cm; disk florets 10–20.
3a. Middle stem leaves spatulate or obovate-spatulate ............................................................................... 181. A. nanschanica
3b. Middle stem leaves ovate, ovate-oblong, or elliptic.
4a. Leaf blade pinnatisect; lower and middle leaves with petiole 1–3 cm; florets 21–30 ................... 170. A. depauperata
4b. Leaf blade ternately 3-partite (or -cleft); lower and middle leaves ± sessile; florets 33–40 ............... 184. A. tridactyla
1b. Involucre 1–2.5(–3.5) mm in diam.; marginal florets 2–9, disk florets 2–15.
5a. Lower and middle stem leaf blades widest above middle, spatulate or subspatulate, often with attenuate
base, serrate at apex, entire or 3–5-cleft with much broader middle lobe.
6a. Middle stem leaves 2–6 cm wide.
7a. Middle stem leaves 5.5–8 × 4–6 cm; involucre 2–3 mm in diam. ...................................................... 176. A. littoricola
7b. Middle stem leaves 2.5–4 × 2–4 cm; involucre 1.5–2(–3) mm in diam.
8a. Synflorescence a narrow, ± cylindric panicle ............................................................................. 177. A. manshurica
8b. Synflorescence a broad, ± conical panicle ..................................................................................... 174. A. eriopoda
6b. Middle stem leaves 0.5–1.2(–2) cm wide.
9a. Basal leaves entire .................................................................................................................................. 178. A. japonica
9b. Basal leaves 1- or 2-pinnatipartite or -pinnatisect.
10a. Middle stem leaves 2–3 cm, lobes 1–2 mm wide ...................................................................... 179. A. parviflora
10b. Middle stem leaves 1–1.5, lobes 3–4 mm wide ............................................................................... 180. A. hancei
5b. Lower and middle stem leaves widest at or below middle.
11a. Middle stem leaves 3–5(–7)-partite.
12a. Branches 15–35 cm or more, usually flexuous and horizontal; middle stem leaves 3–7 cm wide ...... 183. A. dubia
12b. Branches 8–14 cm, ascending; middle stem leaves 0.8–1.5 cm wide.
13a. Middle stem leaves with lobes 10–20 mm; leaflike bracts 3-partite; corolla limb glabrous ..... 185. A. giraldii
13b. Middle stem leaves with lobes 5–8(–10) mm; leaflike bracts linear or linear-lanceolate;
corolla limb puberulent .......................................................................................................... 186. A. conaensis
11b. Middle stem leaves 1- or 2-pinnatisect or pinnatipartite.
14a. Rhizomes not shortly terete; middle stem leaves spatulate or attenuate, entire or obliquely
3–5-cleft, -partite, or -sect from apex to base, or leaves heteromorphic, spatulate or attenuate
in sterile branches and 1(or 2)-pinnatisect or -partite ................................................................ 175. A. angustissima
14b. Rhizomes shortly terete; sterile and middle stem leaves not spatulate or attenuate, middle
leaves 1- or 2-pinnatisect.
15a. Stem, branches, leaves, and phyllaries densely gray and yellowish sericeous-
pubescent, later sparsely pubescent; middle stem leaves with 2 or 3 pairs
of lobes .................................................................................................................... 173. A. duthreuil-de-rhinsi