Difference between revisions of "Hulteniella"
in A. I. Tomatchew, Fl. Arct. URSS 10: 117. 1987.
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|accepted_name=Hulteniella | |accepted_name=Hulteniella | ||
| − | |accepted_authority=Tzvelev | + | |accepted_authority=Tzvelev |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. I. Tomatchew, Fl. Arct. URSS | |title=in A. I. Tomatchew, Fl. Arct. URSS | ||
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name=Hulteniella | name=Hulteniella | ||
|author=Luc Brouillet | |author=Luc Brouillet | ||
| − | |authority=Tzvelev | + | |authority=Tzvelev |
|rank=genus | |rank=genus | ||
|parent rank=tribe | |parent rank=tribe | ||
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|publication year=1987 | |publication year=1987 | ||
|special status= | |special status= | ||
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|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Hulteniella | |genus=Hulteniella | ||
Latest revision as of 20:57, 5 November 2020
Perennials, (0.6–)1–12 cm (sterile basal rosettes 1–10+; rhizomes at or below ground, ± woody, giving rise to branched, woody caudices). Stems (flowering) 1–10+ (1 per rosette), erect, not branched (scapiform), ± villous to woolly, particularly near heads (hairs basifixed). Leaves (basal marcescent, erect) all or mostly basal; alternate; sessile; blades (appearing 1-nerved or nerves inconspicuous) linear, not lobed, margins entire (villous-ciliate), faces glabrous. Heads radiate, borne singly. Involucres hemispheric or broader, (4–)4.5–6(–6.5) mm diam. Phyllaries persistent (green), 20–26(+) in 2(–3+) series, distinct, oblong to lance-oblong (not carinate, 1-nerved), margins and apices (dark brown, fimbriate) scarious (apices obtuse to acute, abaxial faces glabrous or villous). Receptacles convex (± villous), epaleate. Ray florets 11–19, pistillate, fertile; corollas white, laminae obovate. Disc florets 60–80, bisexual, fertile; corollas yellow, tubes ± cylindric, throats campanulate, lobes 5, deltate (without resin sacs). Cypselae ± obconic, ribs 5, faces glabrous (pericarps without myxogenic cells or resin sacs); pappi crowns of 6–12 irregular teeth. x = 9.
Distribution
n Canada, Alaska, n Eurasia.
Discussion
Species 1.
K. Bremer and C. J. Humphries (1993) included Hulteniella in Arctanthemum. Hulteniella has not been included in molecular phylogenetic studies.
Selected References
None.