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Perennial herb, 0.2-0.6 m high. Stems erect, straggling or procumbent. Leaves with blade linear to narrowly ovate or oblong, 19-150 x 2.0-9.5 mm, base rounded, apex acute, veins prominent on lower surface, glabrous or margins ciliate. Flowers: main inflorescence terminal, spicate in fruit; corolla blue or violet-blue; Aug.-Apr.
Leaf blades variable, 2–15 cm. x 2–10 mm., linear to oblong or lanceolate sometimes even up to 50 times as long as wide, acute at the apex, cuneate at the base, glabrous or rarely hairy or margins above ciliate; petiole 1.5–2 mm. long; stipules with 3–5 linear segments 2.5–6 mm. long from a base 3–4 mm. long.
Erect straggling or prostrate perennial herb, 0.2-0.6 m high. Leaves linear to lanceolate or oblong, 19-150 x 2.0-9.5 mm, glabrous or margins ciliate. Main inflorescence terminal, spicate in fruit. Ovary 2-locular. Flowers blue or violet-blue.
Inflorescence a head or short spike, usually becoming a branched or unbranched spike up to 9 cm. long; peduncle 9–17 cm. long, elongating in fruit.
Erect straggling or prostrate plant, 20–60 cm. tall with several hairy or glabrous stems from a thick woody rootstock usually 2 cm. wide.
Corolla blue or violet-blue; tube 1.2–1.6 cm. long, pubescent outside with short appressed hairs; lobes 3.5–5 x 1–2 mm.
Calyx tube c. 1 mm. long, the foliaceous lobe 4–10 x 0.3–1.5 mm., glabrous or ciliate.
Style in long-styled flowers as in previous species.
Fruit as in last species.
