Monolopia

de Candolle in A. P. de Candolle and A. L. L. P. de Candolle

in A. P. de Candolle and A. L. L. P. de Candolle, Prodr. 6: 74. 1838.

Etymology: Greek monos, single, and lopos, husk, alluding to phyllaries
Treatment appears in FNA Volume 21. Treatment on page 349. Mentioned on page 335, 336.
Revision as of 21:03, 27 May 2020 by imported>Volume Importer

Dioecious. Plants 3–14 cm (bases woody). Stolons none. Basal leaves absent at flowering. Cauline leaves linear-lanceolate to cuneate-oblanceolate, 11–35 × 2–6 mm, acute, not flagged (apices acute), faces gray-pubescent. Heads 3–25 in corymbiform to paniculiform arrays. Involucres: staminate 6–8 mm; pistillate 6–8 mm. Phyllaries distally red to pink, light brown, or white. Corollas: staminate 3–4.5 mm; pistillate 5–6 mm. Cypselae 2–2.5 mm, pubescent and papillate; pappi: staminate 6–7 mm (capillary); pistillate 6–7 mm. 2n = 28.

Discussion

Species 5 (5 in the flora).

Selected References

None.

Key

1 Ray lamina apices entire or obscurely to slightly lobed (mid lobes shorter than outers); disc cypselae ± prismatic (not obcompressed) > 2
1 Ray lamina apices usually ± equally 3-lobed (laminae sometimes inconspicuous); disc cypselae obcompressed > 3
2 Cypselae ca. 2 mm, glabrous or sparsely hairy (branches spreading, usually distal) Monolopia gracilens
2 Cypselae 2.5–3 mm, uniformly gray-strigose (branches erect) Monolopia stricta
3 Ray laminae ca. 0.5 mm (inconspicuous); disc cypselae 2-angled (pappi of 2–7 scales) Monolopia congdonii
3 Ray laminae 8–20 mm; disc cypselae 4-angled (pappi 0) > 4
4 Phyllaries distinct or connate (± 1/2 their lengths); cypselae uniformly gray-strigose Monolopia lanceolata
4 Phyllaries connate (± 3/4 their lengths, forming cups with distinct triangular lobes); cypselae glabrous or apically hairy Monolopia major
... more about "Monolopia"
Dale E. Johnson +
de Candolle +
Greek monos, single, and lopos, husk, alluding to phyllaries +
in A. P. de Candolle and A. L. L. P. de Candolle, Prodr. +
Undefined (tribe Undefined) subtribe Eriophyllinae +
Monolopia +
Asteraceae (tribe Heliantheae) subtribe Baeriinae +