9. Tribe ANTHEMIDEAE

lade oblong or ovate, 14–17 × 8–11 cm, abaxially densely
gray arachnoid tomentose, adaxially densely or sparsely glandular
pubescent, 2(or 3)-pinnatisect; segments 5 or 6 pairs, elliptic
or oblong, 4–7 × 3–6 cm; lobules 4–6 pairs, margin 5- or
6-toothed; rachis winged. Uppermost leaves and leaflike bracts
1- or 2-pinnatisect, serrate. Synflorescence a broad panicle. Involucre
ovoid, 1–1.5 mm in diam.; phyllaries glandular pubescent
and sparsely eglandular deciduous puberulent. Marginal female
florets 2 or 3. Disk florets 3–5, bisexual. Achenes obovoid.
Fl. and fr. Aug–Nov.
● Rocky slopes, ridges; 3500–3600 m. W Yunnan (Gongshan).
129. Artemisia yadongensis Y. Ling & Y. R. Ling, Acta Phytotax.
Sin. 18: 506. 1980.
亚东蒿 ya dong hao
Herbs, perennial or nearly subshrubs, 50–70 cm tall, gray
ANTHEMIDEAE
717
or yellowish viscid tomentose. Middle stem leaves shortly petiolate
to ± sessile; leaf blade oblong or oblong-ovate, 2–3.5 × 2–
2.5 cm, abaxially and on adaxial veins densely arachnoid tomentose
and glandular sometimes deciduous pubescent, adaxially
sparsely gray pubescent and glandular punctuate, 2-pinnatisect;
segments 4 or 5 pairs, elliptic or oblong, 2–3.5 × 2–2.5
cm; lobules 1 or 2 pairs, elliptic or narrowly elliptic, 5–10 × 3–8
mm, rachis winged, apex acute or obtuse. Uppermost leaves elliptic
or ovate, 1(or 2)-pinnatipartite; segments 4 or 5 pairs;
leaflike bracts pinnatipartite or entire. Synflorescence a moderately
broad panicle. Involucre subglobose or broadly ovoid,
1.5–2.5 mm in diam.; phyllaries densely gray tomentose and
sparsely glandular sometimes deciduous pubescent. Marginal
female florets 3–8. Disk florets 5–10, bisexual; corolla limb puberulent.
Achenes obovoid. Fl. and fr. Aug–Oct.
● Grasslands; ca. 2900 m. S Xizang (Yadong).
5. Artemisia sect. Albibractea Y. R. Ling, Acta Phytotax. Sin. 18: 506. 1980.
白苞蒿组 bai bao hao zu
Herbs, perennial, without glandular or viscid hairs (sessile glands often present). Leaves 1 or 2(or 3)-pinnatisect, rarely irregularly
shallowly lobed or 3-cleft at apex. Capitula with bracts absent or minute and basal. Phyllaries ± uniformly membranous, white
or yellowish, glabrous. Receptacle glabrous. Marginal florets 6–12. Disk florets 3–10(–23), bisexual; ovaries well developed; style
ca. as long as or longer than corolla, branches divergent, recurved at apex.
Six species: E, S, and SE Asia; five species (four endemic) in China.
Many species contain sesquiterpenoids and some monoterpenoids.
1a. Leaf blade entire, rarely 2- or 3-cleft at apex, margin shallowly serrate ................................................................... 134. A. anomala
1b. Leaf blade pinnately divided, margin more deeply serrate or lacerate.
2a. Middle stem leaves pinnatipartite or -cleft, segments 2(or 3) pairs, uppermost leaves 3-partite, margin
serrate .................................................................................................................................................................... 130. A. deversa
2b. Middle stem leaves 1–3-pinnatipartite or pinnatisect, segments 3–5 pairs, uppermost leaves not 3-partite,
margin irregularly serrate.
3a. Middle stem leaves sessile, lobules lanceolate, elliptic-lanceolate, or linear-lanceolate, rarely falcatelanceolate,
entire or few serrate; involucre 2.5–3.5(–4) mm in diam., disk florets 10–23 ........................... 133. A. flaccida
3b. Middle stem leaves petiolate, 1–3-pinnatipartite or -sect, segments irregularly serrate or lacerate;
involucre 1–2.5(–3) mm in diam., disk florets 3–10.
4a. Middle stem leaves 1 or 2(or 3)-pinnatipartite or pinnatisect, segments 3 or 4(or 5) pairs, margin
lacerate; involucre 1.5–2.5(–3) mm in diam.; marginal female florets 4–10 ....................................... 131. A. lactiflora
4b. Middle stem leaves 2- or 3-pinnatatisect, segments 4 or 5 pairs, margin regularly serrate; involucre
1–1.5 mm in diam.; marginal female florets 2–4 ................................................................................. 132. A. emeiensis
130. Artemisia deversa Diels, Bot. Jahrb. Syst. 29: 618. 1901.
侧蒿 ce hao
Herbs, perennial, 50–100 cm tall, branched apically; all
parts glabrous. Middle stem leaves: petiole 2–4 cm; leaf blade
ovate or broadly ovate, 8–14(–18) × 4–12 cm, pinnatipartite
or -cleft; segments 2(or 3) pairs, ovate, ovate-elliptic, or ovatelanceolate,
2.5–8 × 1–5 cm, margin lacerate and serrate, apex
acuminate. Uppermost leaves dichotomously (2 or)3-partite, or
entire; entire leaves elliptic or elliptic-lanceolate; distal lobes 4–
8 × 2–5 cm, base attenuate, margin serrate; leaflike bracts entire
or occasionally 1- or 2-partite or cleft. Synflorescence a moderately
broad panicle, branches ± divaricate; ultimate branches
slender, lax, sometimes several per node; bracts mostly absent.
Capitula widely spaced, sessile. Involucre oblong or ellipsoid,
1.5–2.5 mm in diam. Marginal female florets 3–5. Disk florets
4–9, bisexual. Achenes oblong or obovoid-oblong. Fl. and fr.
Aug–Oct.
● Forest margins, canyons, slopes, riverbanks; 1000–2300 m. SE
Gansu, W Hubei, S Shaanxi, NE Sichuan.
131. Artemisia lactiflora Wallich ex Candolle, Prodr. 6: 115.
1838.
白苞蒿 bai bao hao
Herbs, perennial, 50–150(–200) cm tall, all parts glabrous.
Lower and middle stem leaves: petiole 2–5 cm or more; leaf
blade ovate or ovate-elliptic, 5.5–12.5(–31) × 4.5–8.5(–15) cm,
1 or 2(or 3)-pinnatisect, rarely partite; segments 3 or 4(or 5)
pairs, very variable, ovate, ovate-elliptic, obovate, or elliptic;
basal and lateral lobes larger than distal lobes, 2–8 × 1–3 cm,
margin irregularly serrate, apex rounded to acuminate. Upper-