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Published In: Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(5): 390–392, f. 176. 1943. (Gentes Herbarum) Name publication detail
 

Project Name Data (Last Modified On 9/22/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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19. Rubus leviculus L.H. Bailey

Pl. 540 j–l; Map 2517

Canes to 200 cm long, typically prostrate, 2–4 mm in diameter, sometimes so delicate as to seem herbaceous. Primocanes sometimes with gland-tipped hairs. Prickles moderate, 1.0–3.5 per cm of cane, 0.5–2.0 mm long. Petioles with nonglandular hairs, occasional gland-tipped hairs, and downward-curved prickles to 1 mm long. Stipules 8–15 mm long, linear-lanceolate. Primocane leaves mostly with 3 leaflets, rarely with 5, margins sharply and sometimes coarsely toothed, the upper surface thinly hairy, the undersurface thinly to velvety hairy. Central primocane leaflets 5–8 cm long and 2.5–4.0 cm wide, elliptic, rounded to angled at the base, tapered to a sharply pointed tip, the leaflet stalk about 1/5–3/10 as long as the leaflet blade; basal leaflets asymmetrically ovate-elliptic to elliptic, angled at the base, angled to a sharply pointed tip, short-stalked to nearly sessile. Inflorescences 4.0–12.5 cm long, with 1–3 flowers on long, ascending stalks, with 1–4 narrow, leafy bracts, these mostly with 3 leaflets; flower and inflorescence stalks densely covered with nonglandular and glandular hairs and small downward-angled, needlelike prickles or downward-curved prickles. Sepals 5.5–7.0 mm long, 3–4 mm wide, triangular to elliptic-ovate, tapered to a sharply-pointed tip. Petals 10–14 mm long, obovate. Fruits 10–14 mm long, 10–15 mm wide, short-cylindric. April–May.

Uncommon, mostly south of the Missouri River (southeastern U.S. west to Missouri and Iowa). Mesic upland forests, upland prairies, sand prairies, and banks of streams and rivers; also pastures, old fields, railroads, roadsides, and open, disturbed areas.

 
 


 

 
 
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