Mentzelia conspicua

Todsen

Sida 18: 819, fig. 1. 1999.

Common names: Remarkable blazingstar
EndemicConservation concern
Treatment appears in FNA Volume 12. Treatment on page 515. Mentioned on page 501, 516.

Plants biennial, candelabra-form. Stems solitary, erect, straight; branches distal, distal longest, antrorse, straight; hairy. Leaves: blade 69–195 × 11.6–55.7 mm, widest intersinus distance 1.3–2.5 (–3.5) mm; proximal oblanceolate or elliptic, margins pinnatisect, lobes 16–26, slightly antrorse or perpendicular to leaf axis, 5.1–15.1 mm; distal elliptic, base not clasping, margins pinnatisect, lobes 10–20, slightly antrorse or perpendicular to leaf axis, 6.2–12.3 (–22.5) mm; abaxial surface with needlelike and occasionally simple grappling-hook trichomes, adaxial surface with needlelike trichomes. Bracts: margins entire. Flowers: petals golden yellow, 30–42.2 × 5.7–10.8 mm, apex acute, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 27–37.4 × 4.8–9.7 mm, without anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 24–32.4 mm. Capsules cylindric, 15–26 × 5–7.2 mm, base tapering to rounded, not longitudinally ridged. Seeds: coat anticlinal cell-walls sinuous, papillae 8–12 per cell. 2n = 20.


Phenology: Flowering Jun–Sep.
Habitat: Slopes, pinyon pine and juniper woodlands, grasslands, sparsely vegetated soils composed of red and brown loam.
Elevation: 1800–2400 m.

Distribution

Created with Raphaël 2.2.0
V12 179-distribution-map.jpg

N.Mex.

Discussion

Mentzelia conspicua is known from Rio Arriba, Sandoval, and Torrance counties.

Selected References

None.

Lower Taxa

None.

No values specified."not elongating" is not a number.

... more about "Mentzelia conspicua"
petaloid +  and heteromorphic +
2.7 cm27 mm <br />0.027 m <br /> - 3.74 cm37.4 mm <br />0.0374 m <br /> +
clawed +  and spatulate +
0.48 cm4.8 mm <br />0.0048 m <br /> - 0.97 cm9.7 mm <br />0.0097 m <br /> +
John J. Schenk +  and Larry Hufford +
Todsen +
ridged +, tapering +  and rounded +
Mentzelia +
0.25 cm2.5 mm <br />0.0025 m <br /> - 0.35 cm3.5 mm <br />0.0035 m <br /> +
6.9 cm69 mm <br />0.069 m <br /> - 19.5 cm195 mm <br />0.195 m <br /> +
unlobed;lobed;orbiculate;obovate;unlobed;lobed;orbiculate;obovate;unlobed;lobed;orbiculate;obovate;oblanceolate;spatulate;linear;lanceolate;elliptic;ovate;cordate;deltate;hastate +
0.13 cm1.3 mm <br />0.0013 m <br /> - 0.25 cm2.5 mm <br />0.0025 m <br /> +
1.5 cm15 mm <br />0.015 m <br /> - 2.6 cm26 mm <br />0.026 m <br /> +
cylindric +
0.5 cm5 mm <br />0.005 m <br /> - 0.72 cm7.2 mm <br />0.0072 m <br /> +
Remarkable blazingstar +
1800–2400 m. +
curved +  and straight +
s--shaped +, clavate +, urceolate +, ovoid +, cylindric +, subcylindric +, lingulate +  and cup-shaped +
Slopes, pinyon pine and juniper woodlands, grasslands, sparsely vegetated soils composed of red and brown loam. +
free +  and adnate +
unlobed +  and filiform +
cauline +  and basal +
1.23 cm12.3 mm <br />0.0123 m <br /> - 2.25 cm22.5 mm <br />0.0225 m <br /> +
perpendicular +  and antrorse +
entire +  and pinnatisect +
apical +, subapical +  and inferior +
perpendicular +  and oriented +
inconspicuous +
golden yellow +
connate +  and distinct +
30mm;42.2mm +
spreading +  and erect +
hairy +  and glabrous +
obovate +, oblanceolate +, elliptic +, ovate +  and spatulate +
0.57 cm5.7 mm <br />0.0057 m <br /> - 1.08 cm10.8 mm <br />0.0108 m <br /> +
Flowering Jun–Sep. +
0 cm0 mm <br />0 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
flattened +  and ovoid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.45 cm4.5 mm <br />0.0045 m <br /> +
persistent +
lanceolate +  and narrowly ovate +
Endemic +  and Conservation concern +
golden yellow +
adnate +, free +  and distinct +
included +  and exserted +
straight +
papillate +
3-lobed +  and lingulate +
2.4 cm24 mm <br />0.024 m <br /> - 3.24 cm32.4 mm <br />0.0324 m <br /> +
Mentzelia conspicua +
Mentzelia sect. Bartonia +
species +
dendritic +  and unbranched +
sinuous +  and straight +