The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Texas Townsend daisy

Habit Biennials (sometimes persisting), 15–25+ cm.
Stems

decumbent to erect;

internodes 5–20+ mm, strigose.

Leaves

basal and cauline, blades oblanceolate to lance-linear, 20–45(–60+) × 2–4(–6+) mm, not fleshy, faces ± strigose.

Involucres

± campanulate to hemispheric, 12–15(–20+) mm diam.

Ray florets

25–40+;

corollas white or purplish adaxially, laminae 9–18 mm, abaxially usually glabrous, sometimes glandular-puberulent.

Disc florets

80–120+;

corollas 3.5–5 mm.

Phyllaries

40–44 in 4–5+ series, the longer ± lanceolate, 5–9+ mm (l/w = 2.5–5), apices acute to attenuate (soft, not apiculate), abaxial faces strigose.

Heads

at tips of stems (usually surpassed by leaves).

Cypselae

3.5–4 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae ± 20 lanceolate to subulate scales 0.5–0.8(–2+) mm;

on disc cypselae 16–24 subulate to setiform scales 5 mm.

2n

= 18.

Townsendia texensis

Phenology Flowering May–Jun.
Habitat Cherts, limestone slopes
Elevation 1200 m (3900 ft)
Distribution
from FNA
OK; TX
[BONAP county map]
Source FNA vol. 20, p. 196.
Parent taxa Asteraceae > tribe Astereae > Townsendia
Sibling taxa
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. fendleri, T. florifera, T. formosa, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. incana, T. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa
Name authority Larsen: Ann. Missouri Bot. Gard. 14: 15, plate 3. (1927)
Web links