TABLE 1. Comparative of main morphological characters among Teucrium lusitanicum subsp. lusitanicum, T. eriocephalum subsp. eriocephalum and Teucrium × gutierrezii. T. lusitanicum subsp. lusitanicumT. × gutierreziiT. eriocephalum subsp. almerienseGrowth formCushion subshrubs, high (15)20–40 cmCushion subshrubs, high 15–20(30) cmErect subshrubs, high (20)25–30 cmStem morphologyVegetative erect-ascending; Flowering contorted and thickVegetative subprostate with basal subrosette; Flowering contorted and thickVegetative prostate with dense basal subrosette; Flowering erect not thickStem indumentumDensely pubescent-pulverulent, yellowish-green or grayish with much branched (dendritic) hairsDensely lanuginose, yellowish or yellowish-green with long simple wavy hairs and long slightly branched hairsWoolly, lanuginose, yellowish- green or reddish with long simple wavy and flexuose hairsLeaf morphologyOblong-lanceolate, crenatesOblong-triangular, lobates with base subamplexical without rounded auriclesTriangular-acutes with base subamplexical with rounded auriclesLeaf indumentumPulverulent, much branched (dendritic) hairsLanuginose with long simple slightly wavy hairs, shorted simple hairs, glandular hairs and long slightly branched hairsLanuginose-villose with long simple slightly wavy hairs, shorted simple hairs and glandular hairsLeaf size8–15 × 3–4 mm6–9 × 2.5–3 mm5–7 × 2–2.5 mmFloral headPedunculated, ovoids, 8(12) mm longSubsessile, subspherical, (6)10 mm longSubsessile, spherical, villosetomentose, 5 (10) mm longCalyx teethTriangular-obtuse, acuminate- cuspidate or mucronate, the lowers cucullates, 0.8–1 mm longTriangular-acute, acuminate- cuspidate, mucronate, the lowers longer mucronates, 0.8–1 mm longTriangular-acute, cuspidate, the lowers slight mucronates, 0.5–1 mm longCalyx indumentumTomentose-pulverulent with much branched (dendritic) hairsTomentose-lanuginose with long simple wavy hairs, shorted simple hairs and glandular hairsLanuginose-villose with long simple wavy hairs and glandular hairsCalyx size4.5–5 mm long4–4.5 mm long3.5–4 mm longCorolla tube indumentumGlabrousSparse simple hairsSimple hairsCorolla latero posterior lobesOblongs, cuspidates, exceeding the laterals, 1–1.3 × 1 mmTriangular-acutes, cuspidates, exceeding the laterals, 1.2 × 0.5 mmTriangular-acutes not cuspidates, not exceeding the laterals, 1 × 0.5 mmCorolla central lobeHorizontal with base not auriculate, longer than the laterals, 3 × 1.5 mmErect with base subauriculate, longer than the laterals, 3 × 1.5 mmErect with base auriculate, subequal the laterals, 1.2 × 1 mmCorolla size5.5–7 mm long4.5–5 mm long5–6 mm longNutlet colourBrownBlackBlackNutlet size2 × 1 mm1 × 0.5 mm1 × 0.5 mm

Published as part of Ruiz, Carlos Rubí & Navarro, Teresa, 2023, Teucrium × gutierrezii a new hybrid from Southeast Iberian Peninsula, a hotspots of natural hybridization of subfamily Ajugoideae (Lamiaceae), pp. 48 in Phytotaxa 609 (1) on page 48, DOI: 10.11646/phytotaxa.609.1.4, http://zenodo.org/record/8254604