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Published In: Species Plantarum 1: 133. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 8/11/2017)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Introduced


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2. Anchusa officinalis L. (common bugloss)

Map 1289

Stems 20–100 cm long, solitary or several, unbranched below the inflorescence or branched toward the base. Leaves 1–20 cm long, 6–20 mm wide, the basal leaves much longer than the stem leaves, these gradually reduced toward the stem tip, the basal and lower stem leaves narrowly oblanceolate to narrowly oblong-oblanceolate and long-tapered to a winged petiole, those of the median and upper stem leaves linear to narrowly lanceolate or lanceolate, sessile and angled to rounded at the base, sometimes slightly clasping the stem. Inflorescence bracts 6–12 mm long, 0.8–1.2 mm wide, linear, moderately to densely bristly-hairy. Flower stalks 1–2 mm long at flowering, elongating to 3–5 mm at fruiting, ascending. Calyces 6–10 mm long at flowering, divided nearly to the base, the lobes elongating to 12–18 mm at fruiting. Corollas 12–17 mm long, the tube 7–10 mm long, bright blue to purple or reddish purple, the throat with the scales white to lavender or pale blue and usually with dense, short, club-shaped hairs, the lobes 3–5 mm long. Nutlets 3–4 mm long, 2–3 mm wide, angled obliquely, ovoid, bluntly pointed at the tip, the surface more or less wrinkled and/or with blunt tubercles. 2n=16. April–June.

Introduced, uncommon, known thus far from a single historical collection from Greene County (native of Europe, Asia, Africa, introduced sporadically, in the U.S. mostly in the northern half of the country). Habitat unknown, but presumably open, disturbed areas.



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