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common hillside daisy, common monolopia

San Joaquin woollythread

Leaves

oblanceolate to lance-linear.

narrowly oblong (10–45 mm, margins shallowly sinuate-dentate or entire, faces loosely woolly).

Peduncles

10–130 mm.

2–20 mm.

Involucres

6–10 mm.

± 4.5 mm.

Ray florets

± 8;

corollas yellow, laminae 10–20 mm, ± equally 3-lobed.

4–7;

laminae 0.5 mm, ± equally 3-lobed (inconspicuous).

Disc florets

60–100.

20–40 (corolla lobes 4, with glandular hairs; anther appendages widest at middles).

Phyllaries

± 8, usually distinct, sometimes connate to 1/2 their lengths, elliptic to oblanceolate, apices acuminate.

4–7, distinct, elliptic to oblanceolate (reflexed in fruit), apices acute.

Cypselae

obcompressed, 2–4 mm, 3-angled (ray), 4-angled (disc), uniformly gray-strigose.

obcompressed, ± 3 mm, 3-angled (peripheral), 2-angled (disc), hairy on margins (pappi of 2–7 spatulate, erose to laciniate scales ± 1 mm).

2n

= 20.

= 22.

Monolopia lanceolata

Monolopia congdonii

Phenology Flowering Feb–Jun. Flowering Feb–May.
Habitat Clayey areas in grasslands or openings in chaparral or oak or foothill woodlands Sandy areas in grasslands or on alkali sinks
Elevation 50–1600 m (200–5200 ft) 90–700 m (300–2300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 350. FNA vol. 21, p. 350.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Baeriinae > Monolopia Asteraceae > tribe Heliantheae > subtribe Baeriinae > Monolopia
Sibling taxa
M. congdonii, M. gracilens, M. major, M. stricta
M. gracilens, M. lanceolata, M. major, M. stricta
Synonyms Eatonella congdonii, Lembertia congdonii
Name authority Nuttall: Proc. Acad. Nat. Sci. Philadelphia 4: 21. (1848) (A. Gray) B. G. Baldwin: Novon 9: 460. (1999)
Web links