Restoration of Suaeda sect. Helicilla (Chenopodiaceae) and typification of its related taxa
Author
Freitag, Helmut
Plant Taxonomy and Morphology, Institute of Biology, University of Kassel, 34132 Kassel, Germany
Author
Lomonosova, Maria N.
Central Siberian Botanical Garden, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
text
Phytotaxa
2017
2017-09-26
323
1
51
60
http://dx.doi.org/10.11646/phytotaxa.323.1.3
journal article
10.11646/phytotaxa.323.1.3
1179-3163
13696882
Suaeda
sect.
Helicilla
(Moq.) Baillon
in
Baillon (1887: 195)
.
≡
Helicilla
Moquin-Tandon (1849: 169)
.
Type
:—
Suaeda glauca
(Bunge) Bunge
– “
Suaeda
sect.
Glaucae
“ in Freitag &
Lomonosova (2012: 104)
,
nom. inval.
(Art. 36.1c).
Improved diagnosis:
—The sect.
Helicilla
differs from the similar sect.
Schanginia
by stems with marked collenchymatic ridges, leaves being narrow, biconvex and containing distinct water-storage mesophyll, flowers with usually 2 stigmas, irregular fruits which are apically flattened and strongly carinate, and regular (spherical) seeds having a prominently reticulate seed coat pattern attributable to sunken lines above the anticlinal cell walls aligned with narrow ridges. Also the nuclear ITS and plastid
psb
B-
psb
H and
atp
B-
rbc
L sequences widely deviate.
Species richness:
—A monotypic section.