Erysimum hezarense, a new species and Rhammatophyllum gaudanense, a new record of Brassicaceae from Iran
Author
Moazzeni, Hamid
Author
Zarre, Shahin
Author
Assadi, Mostafa
Author
Joharchi, Mohammad Reza
Author
German, Dmitry A.
text
Phytotaxa
2014
2014-08-15
175
5
241
248
http://dx.doi.org/10.11646/phytotaxa.175.5.1
journal article
10.11646/phytotaxa.175.5.1
1179-3163
5143941
Rhammatophyllum gaudanense
(Litv.) Al-Shehbaz & O. Appel, Novon
12: 3. 2002
[
2 Apr. 2002
]
Basionym:
Erysimum gaudanense
Litvinov, Trudy Bot. Muz. Imp. Akad. Nauk
1: 33. 1902
.
Synonyms:
Prionotrichon gaudanense
(Litv.) Botschantzev, Novosti Sist. Vyssh. Rast.
3: 125. (1966).
Rhammatophyllum gaudanense
(Litv.) Kamelin, Bot. Zhurn.
87, 12: 109. 2002 [
24 Dec. 2002
], comb. superfl.
TYPE
:
TURKMENISTAN
. Turcomania. In declivibus herbosis montium pr.
Gaudan
,
28 IV 1898
,
D.
I
. Litwinow
518 (
lectotype
,
LE
!, designated by
Botschantzev (1966: 125
, “type”); isolectotypes,
B
!,
BRNM
!,
JE
!,
LE
!,
WU
!).
Figs. 1D
,
2
.
Distribution
:
Iran
and
Turkmenistan
(endemic to Kopet-Dagh).
Plants
subshrubs. Trichomes on stems, leaves, pedicels, sepals, and fruits softly malpighiaceous or submalpighiaceous, with two (rarely three) equal or unequal, unbranched or rarely branched principal rays, usually crisped and predominantly bearing a few lateral minute branches; simple on petals.
Stems
erect to ascending, (20)
30–45 cm
tall, usually several at base, branched below (annual shoots unbranched) and slightly swollen at nodes.
Basal leaves
fasciculate, spatulate, 5–15 × 1–2(3) mm, round at apex, attenuate at base.
Cauline leaves
sessile or shortly petiolate, linear to oblanceolate, entire, often longitudinally plicate, 10–35 ×
1–2 mm
.
Racemes
6–16-flowered, ebracteate, corymbose, considerably elongated in fruit. Fruiting pedicels straight, slender, divaricate-ascending to suberect, (4)5– 8(10) mm.
Sepals
oblong, membranous at margin,
3–4 mm
long.
Petals
creamy white, becoming yellow when drying, 5–8 ×
2–3 mm
, pubescent outside. Stamens 6, tetradynamous; filaments not dilated or slightly flattened at base; anthers oblong, apiculate at apex.
Fruits
dehiscent siliques 25–50 ×
1.5–2 mm
, linear, latiseptate, sessile or shortly stipitate, suberect, straight or slightly flexuous, shallowly constricted between seeds; valves torulose, with a narrow midvein; style obsolete or distinct, up to
2 mm
long; stigma capitate, 2-lobed. Seeds winged at top, oblong, strongly flattened; seed coat not mucilaginous when wetted; cotyledons accumbent.
Specimen examined
:
IRAN
.
Khorasan
,
S
Kalat-e Naderi
,
between
Baghkand
and Ortekand.
1900 m
,
10 July 2002
,
Joharchi 34207
(
FUMH
!)