Helianthemum aegyptiacum (L.) Mill., it is a small, erect, annual herb, up to 10 (-30) cm tall. simple or scarcely branched, sparcely villous. Leaves 10-25 (-35) x 1.5-3 mm. linear-oblong, or lanceolate, usually with revolute margins; stipules linear, 1̸4-1/3 as long as the leaves, much exceeding the petiole-like narrowed portion of leaf. Cymes lax, 3-5 (-9)- flowered. Flowers seemingly solitary, axillary, yellow; pedicels deflexed in fruit, slender, scarcely longer than calyx; bracts lanceolate-linear, usually exceeding the pedicels. Calyx 6-10 mm long, with prominent. dark-red nerves, sparcely setose, exceeding the yellow petals. Capsules c. 10 mm long, ovoid-trigonous appressed-tomentose, enclosed within the calyx.
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