It has spiny, obovate
, serrated leaves borne in clusters on yellowish stems emanating from a three-spined axil.
afghanica to feral plants with obovate
leaflets (a shape he said was not seen in European plants), medium height, and profuse branching.
The pepper seed coat was yellow and homogeneous and had an obovate
The two lateral lobes are also somewhat obovate
in shape, but a little wider than the posterior ones, measuring 12-13 mm in length and 7-8 mm in width.
Leaves are pale green, 10-60 cm long and 7-20 cm wide with obovate
or elliptic blades, rounded to acuminate at the tip and base.
Leaves alternate, spiral or distichous; petiolate or subsessile, presence of pulvinus; extrafloral nectaries absent or present, convex, sessile or stipitate, located between the pairs of leaflets or on the petiole; leaflets 1-many pairs, papyraceous to coriaceous, elliptic to oblong, lanceolate to obovate
, apex acuminate, rounded to mucronate, base oblique.
Linear to obovate
Grayish pale to brown Carduus psycnocephalus L.
5 cm long, oblong in outline; petioles 10-12 mm long, winged, somewhat aromatic when crushed; rachis more narrowly winged than petiole, involute when drying, and appearing quadrangular; leaflets 7-11, 5-6 x 6-9 mm, subsessile, semi-succulent, and broadly obovate
to broadly elliptic, yellowish-green, opaque, midvein on abaxial surface prominent; indument spiculate on stems, reproductive structures glabrous, foliage with resinous papilla.
The succulent, glabrous (hairless, smooth) leaves, 1/2-to one inch long, are obovate
(paddle shaped), flat, and alternately arranged.
The leaves, spirally arranged, lack stipules and are shortly petioled (to 5 mm long); the leaf blade is narrowly obovate
, 1011 x 2.
to elliptic, 3-18 mm long, 3-9 mm wide, pubescent, upper half serrate, apiculate.
The leaves, which had 9 to 15 lobes on each side and a 10~3 mm petiole, repelled slugs and grubs, were obovate
to oblong, glabrous above, glabrous to densely grey-white hairy below, mostly 10~20 cm long and 5-14 cm wide (2).