Flora of the Hawaiian Islands
Dicotyledon Literature for Sida cordifolia
Wagner et al., 1990, 1999.
   Malvaceae -- The Cacao, Linden, Mallow Family Bibliography
      Sida cordifolia
General Information
DistributionPantropical, occurring primarily at low elevations near coasts.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Malvaceae - Sida cordifolia

Erect subshrubs 0.5-1.5 m tall, whitish to yellowish stellate velutinous or stellate tomentose.
Leaf blades ovate to oblong or sometimes orbicular, 2-10(-12) cm long, margins serrate, base usually shallowly cordate, petioles usually 1/3 or more the length of blades, stipules filiform, 3-7 mm long.
Flowers usually in axillary clusters, often forming dense panicles or corymbs of racemes by reduction of leaves; calyx 5-7 mm long, accrescent and clasping in fruit; petals cream to pale yellow or orangish yellow, 7-9 mm long; staminal column included.
Schizocarp 6-7 mm in diameter, mericarps 8-12(-14), brownish, the body 2.8-3.5 mm long, with 2 retrorsely simple pubescent apical awns 2-4(-5) mm long, dorsal and lateral surfaces rugose-reticulate.
Seeds 1.8-2.3 mm long, glabrous or with a few hairs along the raphe.
2n = 28, 32