familyAsteraceae
tribeAsteraceae tribe Astereae
genusEucephalus
speciesEucephalus glabratus

Eucephalus glabratus

(Greene) Greene

Pittonia 3: 56. 1896.

Geraldine A. Allen
Common names: Siskiyou aster
Endemic
Basionym: Aster brickellioides var. glabratus Greene Pittonia 2: 17. 1889
Synonyms: Aster siskiyouensis A. Nelson & J. F. Macbride Eucephalus glandulosus Eastwood
Treatment appears in FNA Volume 20. Treatment on page 41. Mentioned on page 39, 40, 42.

Perennials, 30–60 cm (rhizomes branched). Stems ascending to erect, glabrous or sparsely stipitate-glandular. Leaves: mid and distal blades lanceolate to lanceovate, 3–6 cm × 5–15 mm, ± glabrous. Heads 3–8 in corymbiform arrays. Peduncles glabrous or sparsely glandular. Involucres campanulate, 8–9 mm. Phyllaries in 3–5 series (sometimes reddish apically), lanceolate to narrowly ovate (unequal), apices acute, abaxial glabrous or sparsely glandular. Rays 0 or 1–2 (–4), violet-purple. Cypselae appressed-pilose; pappus bristles in 2 series, ± smooth.


Phenology: Flowering Jul–Aug.
Habitat: Dry open oak or coniferous forest or chaparral
Elevation: 700–2300 m

Distribution

V20-47-distribution-map.gif

Calif., Oreg.

Discussion

Eucephalus glabratus is found in the Klamath Mountains of northwestern California and southwestern Oregon. The species is reported to intergrade with E. breweri, E. ledophyllus, and E. tomentellus.

Selected References

None.

Lower Taxa

None.
... more about "Eucephalus glabratus"
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Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex coloration
green +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex position
abaxial +
Apex pubescence
glandular +  and glabrous +
Apex shape
acute +
Apex size
subequal +
Apex texture
scarious +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Geraldine A. Allen +
Authority
(Greene) Greene +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Aster brickellioides var. glabratus +
Blade architecture
compound +  and simple +
Blade shape
linear;lanceolate;linear;lanceolate;oblong;elliptic;ovate +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellate +  and smooth +
Bristle coloration
whitish +  and tawny +
Bristle pappus duration
persistent +
Bristle quantity
30;50 +
Bristle shape
Clavate (?) +
Calyculus presence
absent +
Common name
Siskiyou aster +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +, white +, pink +  and purple +
Corolla coloration or density
violet-purple +
Corolla presence
absent +
Corolla size
ampliate +
Cypsela architecture
eglandular +
Cypsela architecture or shape
1-2-ribbed +
Cypsela growth form
dimorphic +
Cypsela pubescence
appressed-pilose +
Cypsela shape
flattened +  and obconic +
Disc-floret quantity
10 (35) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Calif. +  and Oreg. +
Elevation
700–2300 m +
Embryo course
straight +
Face architecture
eglandular +
Face pubescence
stipitate-glandular +, woolly +, cottony +, scabrous +  and glabrate +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Dry open oak or coniferous forest or chaparral +
Head architecture
discoid +  and radiate +
Head arrangement
singly +
Head development
indeterminate +
Head quantity
3;8 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate +
Involucre some measurement
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
reflexed;erect +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Margin architecture or shape
entire +
Margin coloration
hyaline +
Mid and distal blade length
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Mid and distal blade pubescence
glabrous +
Mid and distal blade shape
Lanceolate (Lanceovate) +
Mid and distal blade width
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Nerve quantity
Additional (1) +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus bristle architecture or pubescence or relief
smooth +
Pappus duration
persistent +
Peduncle pubescence
glandular +  and glabrous +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering Jul–Aug. +
Phyllarie architecture
1-nerved +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie pubescence or texture
chartaceous +
Phyllarie quantity
20 (50) +
Phyllarie shape
lanceolate +  and narrowly ovate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Publication title
Pittonia +
Publication year
1896 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
0 (21) +
Ray-floret reproduction
fertile +
Ray atypical quantity
2 (4) +
Ray coloration or density
violet-purple +
Ray presence
absent +
Ray quantity
1;2 +
Receptacle architecture
epaleate +
Receptacle prominence or shape
flat +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
concave;usually flat;conic +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
2 (3) +
Series quantity
2;3;5 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 47.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
glandular +, eglandular +  and simple +
Stem orientation
ascending +  and erect +
Stem pubescence
stipitate-glandular +  and glabrous +
Style-branch appendage shape
lanceolate +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Aster siskiyouensis +  and Eucephalus glandulosus +
Taxon family
Asteraceae +
Taxon name
Eucephalus glabratus +
Taxon parent
Eucephalus +
Taxon rank
species +
Tube height or length or size
shorter +
Volume
Volume 20 +
Whole-organism duration
perennial +
Whole-organism some measurement
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole organism growth form
tree +, shrub +  and subshrub +
X chromosome quantity
9 +