Keckiella antirrhinoides

(Bentham e× A. de Candolle) Straw

Brittonia 19: 203. 1967.

Common names: Snapdragon penstemon
Illustrated
Basionym: Penstemon antirrhinoides Bentham e× A. de Candolle in A. P. de Candolle and A. L. P. P. de Candolle Prodr. 10: 594. 1846
Treatment appears in FNA Volume 17. Treatment on page 77. Mentioned on page 68, 76.
Revision as of 19:04, 29 July 2020 by imported>Volume Importer
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Stems spreading to erect, 6–25 dm, canescent, rarely glabrous when young. Leaves opposite, on short-shoots as axillary clusters on older stems; blade oblanceolate or lanceolate to narrowly obovate or ovate, 5–20 mm, margins entire or 2-toothed, sometimes relatively small. Inflorescences panicles, finely short-hairy and sparsely glandular. Flowers: caly× 3–9 mm, lobes lanceolate to ovate; corolla yellow drying blackish, 15–23 mm, tube plus distinct throat 6–10 mm, shorter than adaxial lip, adaxial lip 8–15 mm; pollen-sacs 1.1–1.8 mm; staminode densely yellow-hairy, exserted.

Distribution

Ariz., Calif., Nev., nw Mexico

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Calyces 3–6 mm, lobes widely ovate, apices obtuse to acute; plants finely hairy; pollen sacs 1.4–1.8 mm. Keckiella antirrhinoides var. antirrhinoides
1 Calyces 5.5–9 mm, lobes lanceolate, apices acute to acuminate; plants canescent; pollen sacs 1.1–1.5 mm. Keckiella antirrhinoides var. microphylla

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

... more about "Keckiella antirrhinoides"
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
David C. Michener +  and Noel H. Holmgren +
(Bentham e× A. de Candolle) Straw +
alternate +, opposite +, whorled +, helical +  and subopposite +
Penstemon antirrhinoides +
lanceolate;narrowly obovate or ovate +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not +, leathery +  and fleshy +
whorled +, subopposite +  and opposite +
Snapdragon penstemon +
blackish +  and yellow +
1.5 cm15 mm <br />0.015 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
scale-like +  and not needlelike +
Ariz. +, Calif. +, Nev. +  and nw Mexico +
drupe-like +
curved +  and straight +
eglandular-hairy +
1 +  and 4 +
loculicidal +  and septicidal +
white-membranous +
terminal +  and axillary +
drought-deciduous +
lanceolate;ovate +
2-toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
spikelike +
minute +
short-tubular +
Illustrated +
filamentous +
sprawling +, creeping +  and prostrate +
spreading;erect +
glabrous +  and canescent +
Keckiella antirrhinoides +
Keckiella +
species +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
gibbous +  and not spurred +
biennial +, perennial +  and annual +
shrub +  and subshrub +