Ionactis elegans

(Soreng & Spellenberg) G. L. Nesom

Phytologia 73: 420. 1992.

Common names: Sierra Blanca ankle-aster least-daisy
EndemicConservation concern
Basionym: Chaetopappa elegans Soreng & Spellenberg Syst. Bot. 9: 1. 1984
Treatment appears in FNA Volume 20. Treatment on page 83. Mentioned on page 82.

Plants 3–5 (–9) cm (with relatively short caudex branches, cespitose; taprooted). Stems proximally herbaceous or slightly woody, eglandular. Leaves: proximal densely clustered, internodes not visible, reduced in size distally; mid and distal 5–17 mm, margins green, faces glabrous or sparsely puberulent, eglandular. Heads 1 (–3). Involucres 4.5–6.5 mm. Disc-florets bisexual, fertile; corollas 3.8–5 mm. Cypselae 2–2.5 mm, faces sessile to stipitate-glandular. 2n = 18.


Phenology: Flowering Jun–Aug.
Habitat: Granite outcrops
Elevation: 2500 m

Discussion

Of conservation concern.

Ionactis elegans is known from a single population system in Eagle Creek Canyon, Lincoln County.

Selected References

None.

Lower Taxa

None.

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

... more about "Ionactis elegans"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
(Soreng & Spellenberg) G. L. Nesom +
decurrent +
Chaetopappa elegans +
compound +  and simple +
linear;narrowly oblong or elliptic-lanceolate +
rugulose +  and muricate +
straw-colored +
Sierra Blanca ankle-aster +  and least-daisy +
not 2-lipped +  and actinomorphic +
yellow +, white +, violet +  and bluish +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
flattened +  and obovoid +
fertile +  and bisexual +
2(-4)-nerved +
fertile +  and bisexual +
2500 m +
sessile +  and eglandular +
stipitate-glandular +, puberulent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Granite outcrops +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
broadly turbinate;campanulate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
erect;spreading +
deltate +
strigillose +, hirtellous +, hirsuto-strigose +  and glabrous +
Not (?) +  and Scarious (?) +
0.5 cm5 mm <br />0.005 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
2-carpellate +
persistent +
Flowering Jun–Aug. +
linear-lanceolate +
(2-)3-nerved +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
Endemic +  and Conservation concern +
woody +  and herbaceous +
appendaged +  and truncate +
papillate +  and smooth +
Aster subg. Ianthe +
Ionactis elegans +
Ionactis +
species +
30 cm300 mm <br />0.3 m <br /> (70 cm700 mm <br />0.7 m <br />) +
4 cm40 mm <br />0.04 m <br /> (30 cm300 mm <br />0.3 m <br />) +