Node Flower Allmania is an annual herb, erect or rising, 10-50 cm tall.
Stem is branched from or near base. Petiole 2-10 mm; Leaves are obovate,
oblong, or linear, 1.5-6.5 mm long, 0.3-2.5 cm wide, carried on 2-10 mm
long stalks. Flower-heads are globose, becoming somewhat elongated, with
3-7-flowered cymes. Flowers can be greenish or orange-red. Bracts and
bracteoles are ovate-lanceolate, 3-5 mm, white on margin and with green or
purple midvein, apex long acuminate. Tepals obliquely spreading at
opening, later erect, ovate-lanceolate or oblong-lanceolate, 4-5 mm.
Fruits are enclosed in persistent perianth, pale green, ovoid, 3-3.5 mm in
diameter, opening by lid. Seeds are 1.5-2 mm in diam. Flowerig: May-June.