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cluster moonshine-daisy, cluster tarweed, fascicled tarweed, slender tarweed

Hall's tarplant, Hall's tarweed

Habit Annuals, 4–100 cm. Annuals, 15–120 cm.
Stems

± solid.

fistulose.

Leaves

proximal blades toothed, faces hirsute.

proximal blades entire or serrate, faces glabrous (margins and midribs sometimes scabrous or hispid).

Bracts

subtending heads usually overlapping at least proximal 1/2 of each involucre.

subtending heads usually not overlapping involucres.

Ray florets

5;

laminae deep yellow, 6–14 mm.

(8–)10–14;

laminae deep yellow, 5–10 mm.

Disc florets

6, all or mostly functionally staminate;

anthers reddish to dark purple.

28–60, all functionally staminate;

anthers yellow or brownish.

Phyllaries

sessile-glandular near margins, sometimes with non-glandular, non-pustule-based hairs as well.

evenly stipitate-glandular, including margins and apices, usually with some non-glandular, non-pustule-based hairs as well.

Heads

usually in glomerules or pairs, sometimes well separated, in racemiform or paniculiform arrays.

in open, corymbiform, racemiform, or paniculiform arrays.

Paleae

in 1 series.

in 1 series.

Pappi

of 5–12 lanceolate to oblong or linear, entire or fringed scales 1–1.5 mm.

0 (reportedly sometimes rudimentary).

2n

= 24.

= 20.

Deinandra fasciculata

Deinandra halliana

Phenology Flowering Apr–Sep. Flowering Apr–May.
Habitat Grasslands, openings in chaparral, coastal scrub, and woodlands, vernal pool beds, disturbed sites (e.g., burns), often in sandy or clayey soils, sometimes serpentine Grasslands, edges of alkali sinks, open muddy slopes, heavy, ± alkaline, clayey soils
Elevation 0–1000 m (0–3300 ft) 300–1000 m (1000–3300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Deinandra fasciculata occurs in southwestern California, especially on immediate coast, and on southern Central Coast and in the western Outer South Coast Ranges.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Deinandra halliana occurs in the Inner South Coast Ranges. Evident population sizes vary greatly from year to year; active plants may be absent in dry years and form dense stands in some wet years. Madia radiata is morphologically similar to D. halliana; the two species sometimes co-occur and can be difficult to distinguish without close examination of phyllaries and cypselae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 282. FNA vol. 21, p. 284.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Madiinae > Deinandra Asteraceae > tribe Heliantheae > subtribe Madiinae > Deinandra
Sibling taxa
D. arida, D. bacigalupii, D. clementina, D. conjugens, D. corymbosa, D. floribunda, D. halliana, D. increscens, D. kelloggii, D. lobbii, D. minthornii, D. mohavensis, D. pallida, D. paniculata, D. pentactis
D. arida, D. bacigalupii, D. clementina, D. conjugens, D. corymbosa, D. fasciculata, D. floribunda, D. increscens, D. kelloggii, D. lobbii, D. minthornii, D. mohavensis, D. pallida, D. paniculata, D. pentactis
Synonyms Hartmannia fasciculata, Hemizonia ramosissima Hemizonia halliana
Name authority (de Candolle) Greene: Fl. Francisc. 4: 424. (1897) (D. D. Keck) B. G. Baldwin: Novon 9: 468. (1999)
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