Hesperidanthus jaegeri

(Rollins) Al-Shehbaz

Harvard Pap. Bot. 10: 50. 2005.

Basionym: Thelypodium jaegeri Rollins Contr. Dudley Herb. 3: 174, plate 46, fig. 3. 1941
Synonyms: Caulostramina jaegeri (Rollins) Rollins
Treatment appears in FNA Volume 7. Treatment on page 692. Mentioned on page 690.
Revision as of 10:59, 30 July 2020 by imported>Volume Importer
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Perennials or subshrubs. Stems several from caudex, erect or ascending, (stiff, usually gyrose), 1–3 dm. Leaves (3–7 per stem); petiolate (1–2 cm); blade ovate to broadly so, (1–) 1.5–4 cm × 10–35 mm, base obtuse, subtruncate, or cuneate, margins usually coarsely and irregularly dentate, rarely (distalmost) repand, apex obtuse or subacute. Racemes few-flowered, (lax in fruit). Fruiting pedicels divaricate or ascending, straight or slightly curved, 6–14 mm. Flowers: sepals purplish, 5–7 × 2–3 mm; petals white to lavender or purplish (with darker veins), 9–14 × 2.5–4 mm, attenuate to clawlike base; filaments 2–3 mm; anthers linear, 2–2.5 mm; gynophore obsolete to 0.5 mm. Fruits straight to strongly recurved, terete, (2–) 3–5 cm × 1–1.2 mm; ovules 26–42 per ovary; style 0.7–1.5 mm; stigma flat, entire. Seeds 1.2–1.5 × 0.6–0.9 mm.


Phenology: Flowering Apr–Jun.
Habitat: Rocky crevices, cliffs, limestone clefts
Elevation: 1500-2800 m

Discussion

Of conservation concern.

Hesperidanthus jaegeri has been collected from Marble and Teufel canyons and Cerro Gordo Peak of the Inyo Mountains, Inyo County.

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.

... more about "Hesperidanthus jaegeri"
oblong +  and linear +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
subacute +  and obtuse +
Ihsan A. Al-Shehbaz +
(Rollins) Al-Shehbaz +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
cuneate +, subtruncate +  and obtuse +
10mm +  and 35mm +
Thelypodium jaegeri +
appendaged +  and unappendaged +
not +  and auriculate +
dissected +, repand +, sinuate +, crenate +  and dentate +
repand;ovate +
much smaller +  and reduced +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
not +  and differentiated +
emarginate +  and entire +
incumbent +  and accumbent +
obliquely +  and incumbent +
1500-2800 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
zygomorphic +  and actinomorphic +
latiseptate +, stipitate +  and sessile +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
straight +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Rocky crevices, cliffs, limestone clefts +
not rosulate +
connate +  and distinct +
decurrent +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
cuneate;subtruncate;obtuse +
10mm +  and 35mm +
lunar +  and annular +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
white +  and lavender or purplish +
9mm;14mm +
rudimentary +
attenuate +  and clawlike +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering Apr–Jun. +
trinucleate +  and 3(-11)-colpate +
Harvard Pap. Bot. +
curved +  and straight +
slender +
0.6 cm6 mm <br />0.006 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
rollins1973b +
mucilaginous +
aseriate +, uniseriate +  and biseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
persistent +  and caducous +
distinct +
ascending +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 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 +
ascending +  and erect +
2-lobed +, entire +, conical +  and capitate +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Caulostramina jaegeri +
Hesperidanthus jaegeri +
Hesperidanthus +
species +
dendritic +  and simple +
coiled +, 1-7-veined +  and veined +
pubescent +  and glabrous +
anastomosing +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +