Caulis erectus, a basi ramosus, superne subramosus, glaber, cr. 25-35 cm longus. Folia alterna, sessilia, caulem laxe investientia, anguste lanceolata, acicularia, apice subobtusa atque aculeos singulos vel plures gerentia, margine subincrassata, dentibus singulis exiguis ornata, aciculariter involuta, glabra, cr. 12-15 mm longa, 1/2-1 mm lata. Flores breviter pedicellati, pedicellis 5-8 mm longis; ovarium 3-loculare, hemisphaericum usque sphaericum, pilis brevibus crassis retro-flexis dense obsitum, fere 1 1/2 mm longum, atque crassum; calycis laciniae anguste lanceolatae, apice subacutae, raro aculeos plures vel singulos gerentes, margine subincrassatae, edentatae, subpilosae, subinvolutae, cr. 2 1/2 mm longae, 1/2-3/4 mm latae; corolla subcampanulata, pauce laciniata, laciniis apice subacutis, fere item longis ac latis, cr. 11-12 mm longa, laciniis cr. 2 mm longis; filamenti basis elongata, triangulariter dilatata, ab utroque latere profunde dentato-incisa, infra angustata, 2 1/2-plo longior quam latior; antherae breves, graciles, apice subacutae, cr. 5-plo longiores quam latiores; stilus erectus, gracilis, apice haud incrassatus, sed sub stigmate constrictus, corollae fere 3/4 longitudine adaequans; stigmatis lobi 3, robusti, lati, apice subacuti, basi incrassati, subinvoluti. Capsula 3-locularis, hemisphaerica usque sphaerica, pilis brevibus dense obsita, 3 mm longa, fere item crassa, parte superiore, cylindrica, apice acuta, calycis laciniis fere 3/4 longitudine adaequante.
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Minutely hairy perennial to 20 cm, with slender stems arising from base. Leaves filiform-involute, slightly toothed. Flowers in sparse cymes, bell-shaped, blue with a pale cup and dark rings in throat and in tube, ± 8 mm diam., ovary velvety. Capsule globose.