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Published In: Systema Vegetabilium, editio decima sexta 1: 86. 1825[1824]. (Syst. Veg. [Sprengel]) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 8/4/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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1. Dicliptera brachiata (Pursh) Spreng.

Pl. 195 d–g; Map 798

Plants annual. Stems 30–80 cm long, erect or ascending, with usually many branches, glabrous or hairy. Petioles 1–7 cm long. Leaf blades (2–)5–12 cm long, elliptic to ovate, rarely lanceolate, usually tapered at the tip and base, the margins entire or nearly so, hairy, the surfaces sparsely hairy. Inflorescences few-flowered axillary clusters toward the branch tips, subtended by reduced leaves, sometimes appearing as short spikes, the inflorescence stalk usually absent or nearly so, much shorter than the petiole of the subtending leaf. Flowers subtended by bracts 6–10 mm long, these longer than the calyx, oblong to obovate. Calyces 4–6 mm long, deeply lobed, the lobes 2–4 mm long, narrowly lanceolate, long-tapered at the tip, glabrous or hairy along the margins. Corollas 11–15 mm long, the tube 4–6 mm long, strongly 2-lipped, the lips usually with 1 or 2 shallow notches at the tip, hairy on the outer surface, at least when young, pink (drying purple) or less commonly white, the lower lip often with purple spots. Stamens 2, the anther sacs spreading. Staminodes 2, linear, inconspicuous, and hidden in the corolla tube. Fruits 4–6 mm long, elliptic to broadly ovate, flattened, the valves spreading after dehiscence. Seeds 2 or 4, 2.0–2.5 mm long, broadly ovate to circular in outline, flattened, the surface with numerous small spines, reddish brown to black. 2n=80. August–October.

Scattered in the southern half of the state, mostly in the Ozark and Unglaciated Plains Divisions (southeastern U.S. west to Kansas and Texas). Bottomland forests and banks of streams and rivers; occasionally moist depressions of roadsides.

 


 

 
 
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