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Pakistan | Family List | Pakistan V. 207 | Asteraceae | Xylanthemum

3. Xylanthemum macropodum (Hemsl. & Lace) K. Bremer & Humphries, Bull. Nat. Hist. Mus. Lond. (Bot.). 23 (2): 105. 1993.

Tanacetum macropodum Hemsl. & Lace in J. Linn. Soc. Lond. 28: 324. 1891; Podlech in Rech. f., Fl. Iran. Comp. IV. 158: 141. t. 133. 1986; Chrysanthemum diaphanolepis Rech. f. in Anz. Math.-Nat. Kl. Österr. Akad. Wiss. 98: 44. 1961.

Erect shrublet, with several, 30 – 40 cm tall, slender, monocephalous, sulcate-striate, leafy to median part, glabrescent, upright stems from upright, branched rootstock. Leaves dense below, somewhat rosette-like, grayish-hairy to glabrescent, basal on 1.5 – 3.5 cm long, hairy petioles, lamina oblong, as long as petiole, 1 – 2 cm broad, , 1-2-pinnatisect into rigid, linear, 8 – 10 x c. 1 mm, mucronulate ultimate segments, middle stem leaves ± sessile, unipinnatisect into linear, 6 – 8 mm long, mucronate ultimate segments, upper leaves smaller, linear, entire, glabrous. Capitula solitary, terminal, 8 – 10 mm across, several per plant, on c. 12 – 15 cm long peduncles. Involucre somewhat spherical, phyllaries 3-4-seriate, tightly imbricate, ovate-elliptic, 5 – 6 mm long, externally ± purpureous, hyaline scarious and lacerate on margins and apices. Florets bisexual, yellow, with 3 – 4 mm long, punctate glandular, 5-toothed corolla tube. Cypselas linear-oblong, c. 3 mm long, 5-ribbed, glabrous, eglandular. Pappus unilateral, auriculate, c. 2 mm long, hyaline, entire.

Fl. Per.: May-June.

Type: Balochistan, Zandra, 2100 m, J. H. Lace 3840 (E).

Frequent in Northwestern Balochistan in Juniper forest, along semi-dry wadi slopes in sandy and gravelly soils; Distribution: Endemic to Pakistan (Balochistan).


 

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