Epilobium glaberrimum subsp. glaberrimum

Synonyms: Epilobium madrense S. Watson E. pruinosum Haussknecht
Treatment appears in FNA Volume 10.

Stems 20–75 (–85) cm, some­times sparsely strigillose dis­tally, without lines. Leaf-blades usually light green, very narrowly lanceolate to lanceolate or narrowly elliptic, (2–) 3–7.2 × 0.5–1.6 cm, length/width ratio more than 4. Flowers: floral-tube 0.7–2.3 × 1.4–2.5 mm; sepals 3–7.5 × 1–1.7 mm; petals usually pink to rose-purple, rarely white, (4–) 5–10 (–12) × 2–4.5 (–5) mm; filaments of longer stamens 3–5.5 (–6) mm, those of shorter ones 1.4–4 mm; ovary 19–42 mm, style 1.7–5 (–7) mm. Capsules 45–75 mm. 2n = 36.


Phenology: Flowering Jun–Oct.
Habitat: Well-drained, gravelly soils, seepage areas, damp meadows, stream banks, roadside ditches, mainly lower to mid montane.
Elevation: (150–)300–2800(–3300) m.

Distribution

Ariz., Calif., Idaho, Nev., Oreg., Utah, Wash., Mexico (Baja California), Mexico (Chihuahua)

Discussion

Subspecies glaberrimum extends into mountainous areas of Baja California and Chihuahua, Mexico, much farther south than subsp. fastigiatum, which in turn occurs much farther north.

Selected References

None.

Lower Taxa

None.

"narrower" is not a number.

puberulent +, strigillose +  and glabrous +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
light yellow +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
episepalous +
subequal +  and longer +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
glaucous +  and glabrous +
acute +  and obtuse +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Peter C. Hoch +
Barbey in W. H. Brewer et al. +
wiry +  and branching +
cuneate +
indehiscent +  and loculicidal +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
blue-green +  and light green +
1 cm10 mm <br />0.01 m <br /> (7.2 cm72 mm <br />0.072 m <br />) +
toothed +  and entire +
very narrowly lanceolate +  and narrowly ovate or elliptic +
0.5 cm5 mm <br />0.005 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
reduced +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
recurved +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
sessile +  and pedicellate +
curved +  and straight +
narrowly subcylindric +  and narrowly clavate +
4.5 cm45 mm <br />0.045 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
sessile +  and pedicellate +
gray +  and light-brown +
persistent +
detached +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Ariz. +, Calif. +, Idaho +, Nev. +, Oreg. +, Utah +, Wash. +, Mexico (Baja California) +  and Mexico (Chihuahua) +
(150–)300–2800(–3300) m. +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
basifixed +  and versatile +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
1.4mm +  and 2.5mm +
actinomorphic +
sessile +  and pedicellate +
curved +  and straight +
4-angled +, terete +, narrowly cylindrical +  and fusiform or rarely narrowly ellipsoidal +
slender +
Well-drained, gravelly soils, seepage areas, damp meadows, stream banks, roadside ditches, mainly lower to mid montane. +
perennial +  and annual +
suffrutescent +
strigillose +, puberulent +, glandular +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
very narrowly lanceolate +  and lanceolate or narrowly elliptic +
spaced +, alternate +, crowded +  and opposite +
deciduous +
raised +  and faint +
strigillose +
decurrent +
denticulate +  and subentire +
puberulent +, subglabrous +  and sparsely mixed strigillose +
1.9 cm19 mm <br />0.019 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
numerous +  and 1 +
multicellular +
1.8 cm18 mm <br />0.018 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
white +, usually pink +  and rose-purple +
5mm +  and 10mm +
obovate +  and obcordate +
0.2 cm2 mm <br />0.002 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Flowering Jun–Oct. +
Bot. California +
inflated +
basal +  and cauline +
clavate +  and globose +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
sculptured +  and smooth +
obovoid +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
deciduous +
0.1 cm1 mm <br />0.001 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
parenchymatous +
parietal +, axile +  and placentation +
unequal +
aquatic +, amphibious +  and terrestrial +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
purple +  and white or cream +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
2 times as many as sepals +
branched +, dis +  and simple +
75 cm750 mm <br />0.75 m <br /> (85 cm850 mm <br />0.85 m <br />) +
prostrate +  and decumbent +
ascending +  and erect +
strigillose +
exfoliating +
slender +
20 cm200 mm <br />0.2 m <br /> (75 cm750 mm <br />0.75 m <br />) +
not woody +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
clavate +  and subcapitate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
subsessile +  and petiolate +
intrapetiolar +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cream +  and light yellow +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
aquatic +, amphibious +  and terrestrial +
puberulent +, subglabrous +  and sparsely mixed strigillose +
papillose +
constricted +
Epilobium madrense +  and E. pruinosum +
Epilobium glaberrimum subsp. glaberrimum +
Epilobium glaberrimum +
subspecies +
3(-5)-aperturate +
inconspicuous +