Flora of North America species comparison

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Pectis angustifolia var. angustifolia
Photo is of parent taxon

crownseed pectis, lemonscent, limoncillo, narrowleaf pectis
Habit Annuals, 1–20 cm; herbage lemon-scented.
Leaves

(crowded at stems tips) 10–45 × 1–3 mm, bases of distal blades notably expanded.
Peduncles

mostly 1–10 mm (often wholly or partially concealed by bases of subtending leaves).
Phyllaries

linear, 2.5–5.5 mm, widths ± uniform throughout, each with 1–2 subterminal oil-glands 0.2–0.5 mm plus smaller, submarginal oil-glands.
Cypselae

2.5–4 mm;

pappi usually coroniform, 0.1–0.3 mm (plus 1–7 awns or bristles in some Texas populations).
Texana

).
2n

= 24 (as P. cf.

Pectis angustifolia var. angustifolia
Phenology Flowering Jul–Oct.
Habitat Deserts, grasslands, woodlands, sand bars, roadsides
Elevation 300–2300 m (1000–7500 ft)
Distribution
from FNA
AZ; CO; KS; NE; NM; OK; TX; UT; WY; Mexico (Chihuahua, Coahuila, Durango)
[BONAP county map]
Discussion

Variety angustifolia intergrades with var. tenella across a broad front from southern Texas to eastern Durango. It is locally sympatric and occasionally hybridizes with Pectis papposa var. grandis from southern New Mexico and western Texas to eastern Durango. Forms of var. angustifolia with a pappus of 1 or more awns in addition to the usual low crown have been called var. subaristata A. Gray and may represent introgression from either var. tenella or P. papposa var. grandis.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 228.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Pectidinae > Pectis > Pectis angustifolia
Sibling taxa
P. angustifolia var. fastigiata, P. angustifolia var. tenella
Synonyms P. angustifolia var. subaristata
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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