Haegi, sp. nov.
Synonymy: I. leptolepis sensu J. Black, Fl. S. Aust. 907 (1957), partly, non Benth.
Common name: None
Erect much-branched perennial herb 10-45 cm tall and diam., with a woody base; stems at first densely white-tomentose with cottony hairs, gradually becoming glabrous; leaves oblanceolate to elliptic, usually narrowly so, acuminate with a conspicuous soft mucro, 1.5-5 cm long, 2-7 mm wide (on seedlings up to 10 mm), glabrous or with scattered glandular hairs.
Peduncles 5-10 cm long, with distant usually much-reduced leaves; capitula hemispherical (involucre with rounded oblique sides), 15-20 mm diam.; involucral bracts more or less linear, subequal, densely glandular-hairy and with tufts of woolly hairs just below the tips, the inner bracts with pale-brown ovate-acuminate laciniate scarious tips; florets bright-yellow; seeding heads soft, quickly disintegrating.
Achenes glabrous; pappus bristles 8-12, as long as the corolla, 0.1-0.2 mm broad at the base and united for 0.2 mm from it.
Found on a range of sites from gibber plain to sandy creek banks and tablelands but usually in somewhat sandy soils.
N.T.; Qld; N.S.W.; Vic. (far northwest).
Flowering time: evidently rainfall — dependent but mostly May — Sept.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Holotype:. E. Brown s.n., S.Aust., Gairdner-Torrens region, Andamooka (30°44'S, 137°12'E), 21.ix. 1978 (AD 97843431). Isotypes K, NSW, PERTH distribuendi. I. leptolepi F. Muell. affinis sed caulibus albopannosis, bracteis involucri angustioribus, omnibus plusminusve longitudinis aequalae (quamquam exterioribus sine laminis), caespite e pilis lanalis infra laminas ovatas (non triangulares vel subulatas) dignoscenda. The epithet (Greek chloros green, leucos white) refers to the contrasting glabrous green leaves and white-tomentose stems characteristic of this species.
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