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FOC | Family List | FOC Vol. 20-21 | Asteraceae

1. Incertae sedis group

Shrubs, erect, procumbent or ascending, many branched. Leaves cauline; blade ovate, ovate-lanceolate, elliptic, or oblong-lanceolate to oblanceolate, 1- or 3-veined, margin revolute or flat, entire or minutely to coarsely serrate. Capitula radiate, terminal or axillary on short branches, in corymbiform synflorescences or solitary at ends of stems or branches. Involucres campanulate; phyllaries 3-5-seriate, unequal, membranous or subleathery, tip sometimes leaflike, keeled, margin narrowly scarious. Receptacles flat or convex. Ray florets 1-seriate, 10-30, white, pink, or purple; disk floret limb narrowly campanulate, lobes equal. Achenes obovoid, oblong, or cylindric, ± compressed, 2-8-veined or -ribbed. Pappus of ray and disk florets 3-seriate, of numerous persistent, free bristles, innermost series clavate, outermost series of short bristles or scales.

Eight species: Asia; eight species (seven endemic) in China.

1 Capitula on short axillary branches   (2)
+ Capitula terminal at ends of stems and lateral branches   (3)
2 (1) Capitula 3-10, in corymbiform synflorescences; leaves ovate to elliptic-lanceolate, triplinerved.  

A. nitidus

+ Capitula solitary at ends of second-year axillary branches; leaves oblanceolate, pinnately veined.  

A. hersileoides

3 (1) Leaves linear.  

A. lavandulifolius

+ Leaves ovate, ovate-lanceolate, elliptic, oblong, oblong-lanceolate, or oblanceolate   (4)
4 (3) Capitula in corymbiform synflorescences or solitary at ends of lateral branches   (5)
+ Capitula in terminal compound corymbiform synflorescences   (6)
5 (4) Leaves adaxially arachnoid or glabrate, abaxially white tomentose, margin entire or 1- or 2-serrate-spinose; capitula 1-3 on branches.  

A. hypoleucus

+ Leaves adaxially verruculose, abaxially with white arachnoid hairs, margin entire; capitula 3-20 in corymbiform synflorescences.  

A. polius

6 (4) Pappus straw-colored, sometimes purplish; leaf margin entire or remotely serrulate to coarsely serrate, adaxial surface eglandular or rarely sparsely glandular.  

A. albescens

+ Pappus dirty white; leaf margin entire, adaxial surface ± glandular   (7)
7 (6) Leaves (4-)6-9 cm, both surfaces sparsely strigillose, glabrate, or glabrous, abaxially glossy between minor veins.  

A. fulgidulus

+ Leaves 1-4 cm, adaxially moderately scabridulous, abaxially gray-white arachnoid-tomentose or cottony.  

A. argyropholis

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