Hesperidanthus linearifolius

(A. Gray) Rydberg

Bull. Torrey Bot. Club 34: 434. 1907.

Basionym: Streptanthus linearifolius A. Gray Mem. Amer. Acad. Arts, n. s. 4: 7. 1849
Synonyms: Pachypodium linearifolium (A. Gray) A. Gray Schoenocrambe linearifolia (A. Gray) Rollins Sisymbrium linearifolium (A. Gray) Payson Sisymbrium stenophyllus Rollins Thelypodiopsis linearifolia (A. Gray) Al-Shehbaz Thelypodium linearifolium (A. Gray) S. Watson
Treatment appears in FNA Volume 7. Treatment on page 690. Mentioned on page 689.

Perennials. Stems simple or few from caudex, erect, (often much-branched distally), (2.5–) 3.5–10 (–15) dm. Leaves shortly petiolate; blade usually linear to linear-lanceolate, rarely lanceolate, (2.5–) 3.5–12 (–15) cm × (1–) 2–6 (–10) mm (smaller distally), base cuneate to attenuate (or petiolelike), margins entire or, very rarely, sparsely denticulate, apex acuminate to acute. Racemes several-flowered, (proximalmost flowers sometimes bracteate). Fruiting pedicels divaricate or ascending, straight, (5–) 8–20 (–25) mm. Flowers: sepals purplish, (4–) 4.5–7 × 1–2 mm, (median pair apical cuculla to 0.7 mm); petals purple, (10–) 12–16 (–18) × (2–) 3.5–5.5 mm, claw distinctly differentiated from blade, [5–7 (–9) mm]; filaments 2–4 mm; anthers narrowly oblong to linear, 2–4 mm; gynophore 0.4–1 (–2) mm. Fruits usually straight, rarely curved, terete, (3.5–) 4–9 (–11) cm × 1–1.5 mm; ovules (76–) 80–110 per ovary; style subclavate to cylindrical, 0.5–1.8 (–2.5) mm; stigma conical, 2-lobed (lobes prominent, connivent). Seeds 0.9–1.6 × 0.5–0.9 mm. 2n = 22, 44.


Phenology: Flowering Jul–Nov.
Habitat: Open woods, dry hillsides, oak woodland, mixed conifer forests, arroyos, canyons, rocky ridges, limestone ledges, sandstone crevices, roadsides
Elevation: 700-3100 m

Distribution

V7 1187-distribution-map.gif

Ariz., Colo., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Sonora), Mexico (Zacatecas)

Discussion

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

narrowly oblong +  and linear +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
acuminate +  and acute +
Ihsan A. Al-Shehbaz +
(A. Gray) Rydberg +
cuneate +  and attenuate +
Streptanthus linearifolius +
appendaged +  and unappendaged +
12 cm120 mm <br />0.12 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not +  and auriculate +
3.5 cm35 mm <br />0.035 m <br /> (12 cm120 mm <br />0.12 m <br />) +
dissected +, repand +, sinuate +, crenate +  and dentate +
lanceolate;usually linear;linear-lanceolate +
much smaller +  and reduced +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
differentiated +
emarginate +  and entire +
incumbent +  and accumbent +
obliquely +  and incumbent +
Ariz. +, Colo. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Sonora) +  and Mexico (Zacatecas) +
700-3100 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
zygomorphic +  and actinomorphic +
latiseptate +, stipitate +  and sessile +
9 cm90 mm <br />0.09 m <br /> (11 cm110 mm <br />0.11 m <br />) +
curved +  and straight +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Open woods, dry hillsides, oak woodland, mixed conifer forests, arroyos, canyons, rocky ridges, limestone ledges, sandstone crevices, roadsides +
not rosulate +
connate +  and distinct +
decurrent +
denticulate +
lunar +  and annular +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
1.6 cm16 mm <br />0.016 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
yellow +, purple +, lavender +, lilac +  and white +
12mm;16mm +
rudimentary +
spatulate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Flowering Jul–Nov. +
trinucleate +  and 3(-11)-colpate +
Bull. Torrey Bot. Club +
several-flowered +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
slender +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
mucilaginous +
aseriate +, uniseriate +  and biseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
persistent +  and caducous +
distinct +
ascending +  and erect +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
tetradynamous +
subequal +
procumbent +  and decumbent +
2-lobed +  and conical +
subsessile +, sessile +  and petiolate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
persistent +
distinct +
subclavate +  and cylindrical +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Pachypodium linearifolium +, Schoenocrambe linearifolia +, Sisymbrium linearifolium +, Sisymbrium stenophyllus +, Thelypodiopsis linearifolia +  and Thelypodium linearifolium +
Hesperidanthus linearifolius +
Hesperidanthus +
species +
dendritic +  and simple +
coiled +, 1-7-veined +  and veined +
pubescent +  and glabrous +
anastomosing +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +