B. Papp szerk.: Studia Botanica Hungarica 34. 2003 (Budapest, 2003)

Debreczy, Zsolt; Rácz, István: A re-assessment of the new taxa of firs (Abies Mill.) reported from Mexico in 1995

juveniles 2.5-3 cm longi, bracteae eorum initio adpressae postea reflexae (4-5 mm), rotundalo-triangulares, irregulariter serrato-incisae, pallide virides; strobili masculini 12 mm longi, pedunculo 3 mm longo, squamis pilosis circa 100 (20 x 5), 1.8 mm latis; strobili maturi 6.5-8 cm longi, 3.5-4 cm lati, pedunculo 0.4-1 cm longo, cylindracei, apice rotundati, leviter umbilicati; squamae 130-170 (25-34 x 5) pro strobilis, flabellatae, virides, glauco-virides, dense velutinosae, pili 0.2 mm longi, albidi, adpressi; bracteae 0.5-0.8 cm longae, sessiles, leviter spathulatae, cum ala acute incisoserrata, rotundata, sine apice protrudenti; axis anguste-conicus; semina anguste-triangularia, resino-vesicularia cum ala cinereo-straminea. Description: tree with straight, typically single trunk, columnar-conical crown, first ascending, later descending branches, shiny- (or in sunny and dryer places) dull greyish-green, pruinose foliage; bark: smooth, light grey in young trees, later ruptured to irregular large plates, very thick and suberous on old trees with bloodred inner bark; branches: light brown, later greyish brown, hairy (up to 5-6 years); branchiets: rather strong, smooth, slightly prominent below the leaves on strong shoots, densely pubescent with 0.2-0.3 mm long yellowish brown, semi-clear hairs; buds: flat (partially hidden by short, incurving terminal leaves), covered by up to 15 triangular scales or their tips, thinly resinous; leaves: pectinately arranged, "distichous", abruptly shortened (to 1 cm) on the upper (dorsal) side of the branchlets, slightly downward and/or forward curving, (l-)3-5(-6) cm, parallel sided, rounded and shortly (0.2-0.4 mm), but markedly, emarginate or finely bifid, soft flexible (shade) or rather fleshy (upper crown), shiny dark- or dull greyish-green with up to 14 stomatophorus lines on the upper (dorsal) side reaching below the middle of their length on stronger exposed stems, usually 6 short lines form a (0.6-1.0 mm long) "V" below the apex on shade leaves; lower (ventral) side is silvery grey with narrow green margins (0.2 mm) and midrib (0.2-0.4 mm, often with broken lines of stomata), two broad silvery stripes, typically with 14-15 (in narrower shade leaves 5-6) stomatophorus lines with 9 stomata/mm; stomata 0.06 mm long, elongated ovate, intensively pruinose; leaves in cross section flat triangular on lower, triangular on fertile branchiets with up to 7(!) median resin canals; strobiles: female 2.5-3.0 cm long with short, first appressed later reflexed (4-5 mm) rounded-triangular, irregularly serrate-incised pale green bracts; male strobile 12 mm on 3 mm peduncle, consists of about 100 (20 x 5) 1.8 mm wide, hairy fertile scales; cones: 6.5-8.0 x 3.5-4.0 cm, short (0.4-1.0 cm) stemmed (peduncled), cylindrical with about 130-170 (25-34 x 5) cone scales (Fig. 9); rounded, slightly impressed (umbilicate) at apex, pruinose green at maturity; cone scales: flabellate (wide cyathiform), green, greyish green, densely velutinous with short (0.2 mm), white, appressed hairs; bracts (0.5-0.8 cm) short, enclosed (sessile), slightly spathulate with sharply incised-serrate, rounded wings and without a protruding tip; axis narrow conical; seeds: narrowly triangular with resin blisters and narrow, light yellowish gray wings (not fully developed at the time of the description).