Flora of North America species comparison

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Cordylanthus wrightii subsp. kaibabensis

Cordylanthus wrightii subsp. tenuifolius
Photo is of parent taxon

Kaibab bird's beak, Kaibab Plateau bird's-beak
Photo is of parent taxon

Wright's bird's beak
Stems

puberulent and glandular-puberulent to glabrate.

scabrous.
Leaves

5–7-lobed.

3–7-lobed.
Spikes

5–12-flowered, 25–40 mm;

bracts 4–10.

5–12-flowered, 25–30 mm;

bracts 4–10.
Pedicels

bracteoles 20–25 mm, margins pinnately lobed, lobes 5–7.

bracteoles 20–25 mm, margins toothed distally.
Flowers

corolla pale yellow with purple markings, 20–30 mm.

corolla pale yellow with purple markings, 20–25 mm.
2n

= 26.

Cordylanthus wrightii subsp. kaibabensis

Cordylanthus wrightii subsp. tenuifolius
Phenology Flowering Aug–Sep. Flowering Jul–Oct.
Habitat Rocky openings, pine-juniper woodlands. Open, rocky sites, pinyon-juniper woodlands.
Elevation 1900–2000 m. (6200–6600 ft.) 1300–2000 m. (4300–6600 ft.)
Distribution
from FNA
AZ
[BONAP county map]
from FNA
AZ; NM
[BONAP county map]
Discussion

Subspecies kaibabensis is known from the Kaibab Plateau. Chuang and Heckard suggested that it may be derived from a past hybridization of subsp. tenuifolius and Cordylanthus kingii subsp. kingii.

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

In areas where their distributions overlap, subspp. tenuifolius and wrightii intergrade in the shape of the bracteoles and overall indument.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 678. FNA vol. 17, p. 678.
Parent taxa Orobanchaceae > Cordylanthus > Cordylanthus wrightii Orobanchaceae > Cordylanthus > Cordylanthus wrightii
Sibling taxa
C. wrightii subsp. tenuifolius, C. wrightii subsp. wrightii
C. wrightii subsp. kaibabensis, C. wrightii subsp. wrightii
Synonyms C. tenuifolius
Name authority T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 87, fig. 35i–n. (1986) (Pennell) T. I. Chuang & Heckard: Syst. Bot. Monogr. 10: 86. (1986)
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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