Guardiola

Cervantes ex Bonpland in A. von Humboldt and A. J. Bonpland

in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. 1: 143, plate 41. 1807.

Etymology: For “M. le marquis de Guardiola”
Treatment appears in FNA Volume 21. Treatment on page 42. Mentioned on page 41.
 TaxonIllustrator 
FNA21 P08 Guardiola platyphylla.jpegRudbeckia laciniata var. laciniata
Rudbeckia maxima
Guardiola platyphylla
Rudbeckia amplexicaulis
John Myers
John Myers
Marjorie C. Leggitt
John Myers

Perennials or subshrubs, (10–) 30–100 cm. Stems mostly erect, branched. Leaves cauline; opposite; ± petiolate; blades deltate or rounded-deltate to ovate [lanceolate to linear], margins usually dentate, faces glabrous or glabrate. Heads radiate, in corymbiform arrays [borne singly]. Involucres narrowly cylindric [campanulate], 2–3 [–6] mm diam. Phyllaries persistent, 3–5 in 1 series (distinct, oblong or lanceolate to linear, herbaceous, conduplicate, streaked with 8–12+ translucent nerves, margins often membranous). Receptacles convex, paleate (paleae similar to phyllaries, membranous, each enfolding a floret). Ray-florets 1–5, pistillate, fertile; corollas whitish (tubes often longer than laminae). Disc-florets 3–20+, functionally staminate; corollas whitish, tubes longer than abruptly ampliate, campanulate to funnelform throats, lobes 5, lanceolate to lance-linear (filaments hairy; anthers green). Cypselae ± ellipsoid [fusiform to clavate], ± obcompressed, smooth or fine-ribbed, glabrous (bases carunculate); pappi 0 [5–6, erose scales]. x = 12.

Distribution

sw United States, Mexico

Discussion

Species ca. 10 (1 in the flora).

Selected References

None.

... more about "Guardiola"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Cervantes ex Bonpland in A. von Humboldt and A. J. Bonpland +
decurrent +
compound +  and simple +
rounded-deltate;ovate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
fine-ribbed +  and smooth +
obcompressed +  and ellipsoid +
fertile +  and bisexual +
sw United States +  and Mexico +
For “M. le marquis de Guardiola” +
glabrate +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
lanceolate +  and lance-linear +
2-carpellate +
persistent +
in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Guardiola +
Asteraceae (tribe Heliantheae) subtribe Guardiolinae +
campanulate +
ampliate +
campanulate +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +