Hieracium nudicaule

(A. Gray) A. Heller

Muhlenbergia 2: 149. 1906.

Endemic
Basionym: Hieracium cynoglossoides var. nudicaule A. Gray Proc. Amer. Acad. Arts 19: 68. 1883
Synonyms: Hieracium scouleri var. nudicaule (A. Gray) Cronquist
Treatment appears in FNA Volume 19. Treatment on page 293. Mentioned on page 282, 283.

Plants (15–) 20–30 (–50+) cm. Stems proximally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent, distally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent. Leaves: basal (3–) 5–8, cauline 0–3 (–5); blades lanceolate to lance-elliptic, 50–120 × 6–18 (–30) mm, lengths (3–) 5–8+ times widths, bases cuneate, margins usually entire, sometimes denticulate, apices acute, faces usually piloso-hirsute (hairs 2–7+ mm) and stellate-pubescent, sometimes glabrous or glabrate. Heads (2–) 5–12+ in paniculiform to corymbiform or subumbelliform arrays. Peduncles ± stellate-pubescent, sometimes stipitate-glandular as well. Calyculi: bractlets 8–13+. Involucres ± campanulate, 8–10+ (× 4–6) mm. Phyllaries 8–13+, apices rounded to acute, abaxial faces piloso-hirsute (hairs 0.5–2+ mm), stellate-pubescent, and stipitate-glandular. Florets 20–40+; corollas yellow, 8–10+ mm. Cypselae (black) columnar, 2.5–3 mm; pappi of 40–60+, white or stramineous bristles in ± 2 series, 4–6 mm.


Phenology: Flowering Jun–Aug(–Sep).
Habitat: Openings in chaparral, conifer forests
Elevation: 400–2300 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number."+[mm" is not declared as a valid unit of measurement for this property."]mm" is not declared as a valid unit of measurement for this property.

... more about "Hieracium nudicaule"
stipitate-glandular +, stellate-pubescent +  and piloso-hirsute +
rounded;acute +
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform or subumbelliform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) A. Heller +
cuneate +
Hieracium cynoglossoides var. nudicaule +
compound +  and simple +
1.8 cm18 mm <br />0.018 m <br /> (3 cm30 mm <br />0.03 m <br />) +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
lanceolate;lance-elliptic +
0.6 cm6 mm <br />0.006 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
deltate;lanceolate or linear +
filiform +
stramineous +  and white +
0 (?) +  and 3 (?) +
zygomorphic +, actinomorphic +  and (3-)5-merous +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
black +  and redbrown +
Calif. +  and Oreg. +
400–2300 m +
glabrate +, glabrous +, stellate-pubescent +  and piloso-hirsute +
winged +  and beaked +
dispersed +
Openings in chaparral, conifer forests +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays +  and singly +
indeterminate +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
campanulate +
sessile +  and petiolate +
cauline +  and basal +
denticulate +
2-carpellate +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
stipitate-glandular +  and stellate-pubescent +
not inflated +
Flowering Jun–Aug(–Sep). +
connate +  and distinct +
8 +  and 13 +
subequal +  and unequal +
Muhlenbergia +
flat;convex +
exalbuminous +
stellate-pubescent +, piloso-hirsute +  and glabrous +
scapiform +
appendaged +  and truncate +
papillate +
Hieracium scouleri var. nudicaule +
Hieracium nudicaule +
Hieracium +
species +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +