9. Tribe ANTHEMIDEAE

anches virgate, narrowly angular, straw-colored in lower part,
green in upper part. Middle leaves sessile; leaf blade linear to
narrowly lanceolate, 1–2 × 0.17–0.5 cm, both surfaces glabrous
or scattered pubescent with stellate hairs, margin entire, occasionally
3-parted. Distal leaves gradually smaller, linear. Synflorescence
an irregular panicle, longer than wide, individual
cymes with 2–5 capitula. Capitula ovoid, sessile or shortly
pedunculate. Involucres cupular, ca. 2 mm in diam.; phyllaries
in 2–4 rows, margin scarious, abaxially with scattered sessile
glands, outer ones small, suborbicular, inner ones large, broadly
elliptic or lanceolate-elliptic. Corolla yellow, exterior with scattered
stellate hairs and sessile glands outside; marginal female
florets 3–5, narrowly clavate, tapering above, ca. 1.7 mm, apex
minutely 3-toothed; disk florets many, tubular, 1.8–2 mm, 5lobed.
Achenes narrowly obovoid, 1–1.3 mm, glabrous, inconspicuously
obtusely 2- or 3-angular, apex truncate. Pappus
absent.
Dry mountain valleys, old dry riverbeds; 1000–1500 m. Xinjiang
(Toksun) [Kazakhstan].
2. Kaschgaria komarovii (Krascheninnikov & N. I. Rubtzov)
Poljakov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk
S.S.S.R. 18: 284. 1957.
ANTHEMIDEAE
喀什菊 ka shi ju
757
Tanacetum komarovii Krascheninnikov & N. I. Rubtzov
in Krascheninnikov, Bot. Mater. Gerb. Bot. Inst. Komarova
Akad. Nauk S.S.S.R. 9: 168. 1946; Chrysanthemum komarovii
(Krascheninnikov & N. I. Rubtzov) S. Y. Hu.
Subshrubs, 40–55 cm tall; old branches grayish; year-old
branches with lower parts straw-colored, upper parts pale green,
scattered stellate pubescent. Middle stem leaves sessile; leaf
blade spatulate or oblanceolate, 1–3 × 0.7–1.5 cm, apex 3–
5-partite, rarely pinnatisect, sparsely stellate pubescent; upper
stem leaves entire. Synflorescence a dense flat-topped fascicle
sometimes with additional axillary capitula below. Capitula 3–
5(–8). Involucre cupular, 2–3 mm in diam.; phyllaries in 2–4
rows, margin scarious, outer phyllaries suborbicular, inner ones
broadly ovate. Florets yellow, exterior scattered stellate pubescent;
marginal female florets 3–5, ascidiform, tapering above,
3-denticulate; disk florets many, tubular. Achenes ovoid, 1–1.2
mm.
Barren rocky slopes, rocky floors of gorges; 800–2000 m. Xinjiang
[Kazakhstan, Mongolia].
163. LEUCANTHEMELLA Tzvelev in Schischkin & Bobrov, Fl. URSS 26: 137. 1961.
小滨菊属 xiao bin ju shu
Shi Zhu (石铸 Shih Chu); Christopher J. Humphries, Michael G. Gilbert
Decaneurum Schultz Bipontinus, Tanaceteen, 44. 1844, not Candolle (1833).
Herbs, perennial, with procumbent rhizomes; indumentum absent or of basifixed and medifixed hairs. Leaves alternate, entire or
pinnatipartite. Synflorescence a lax, ± flat-topped cyme, often reduced to solitary capitulum. Capitula heterogamous, radiate. Involucre
coryliform; phyllaries in 2 or 3 rows, scarious margins brown or dark brown. Receptacle convex, epaleate. Marginal florets in 1
row, female, usually sterile; lamina white or reddish. Disk florets many, yellow, bisexual; corolla tubular, apex 5-lobed. Anther bases
obtuse, apical appendage ovate or elliptic-ovate. Style branches linear, apex truncate. Achenes distinctly 8–12-ribbed, with apical
rim. Corona absent.
Two species: China, Japan, Korea, Russia; Europe; one species in China.
1. Leucanthemella linearis (Matsumura) Tzvelev in Schischkin
& Bobrov, Fl. URSS 26: 139. 1961.
小滨菊 xiao bin ju
Chrysanthemum lineare Matsumura, Bot. Mag. (Tokyo)
13: 83. 1899; C. lineare var. manshuricum Komarov; Tanacetum
lineare (Matsumura) Kitamura.
Herbs, perennial, 25–90 cm tall, with long procumbent
rhizomes; stems erect, usually clustered, unbranched except for
synflorescence, pubescent or glabrous. Basal and lower stem
leaves withered by anthesis. Middle stem leaves sessile; leaf
blade elliptic or lanceolate, 5–8 × 2–4 cm, pinnatipartite below
middle, abaxially gland-dotted, adaxially asperous with acute
papillae; terminal and lateral lobes ± linear, lateral lobes 1–3paired.
Synflorescence a terminal flat-topped cyme. Capitula 1–
8, long pedunculate. Involucre coryliform, 1–1.5 cm in diam.;
phyllaries in 2 or 3 rows, abaxially glabrous or nearly so, scarious
margin brown or dark brown, outer phyllaries linear-lanceolate,
inner ones narrowly elliptic. Ray florets: limb white, 1–
2 cm, apex 2- or 3-denticulate. Disk florets yellow, 5-lobed.
Achenes ca. 3 mm, with apical rim. Fl. and fr. Aug–Sep. 2n =
18.
Marshlands, wet grasslands. Heilongjiang, Jilin, Nei Mongol [Japan,
Korea, Russia].
164. MICROCEPHALA Pobedimova, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk
S.S.S.R. 21: 356. 1961.
小花菊属 xiao hua ju shu
Shi Zhu (石铸 Shih Chu); Christopher J. Humphries, Michael G. Gilbert
Herbs, annual; indumentum of basifixed hairs. Leaves alternate, pinnatisect. Synflorescence of solitary terminal capitula. Capitula
pedunculate, heterogamous, radiate or disciform. Involucre hemispheric; phyllaries in 2 or 3 rows, scarious margins broad, pale.