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
3. Abies zapotekensis Debreczy, Rácz et Ramirez 3 , Figure 1 : d; Plate I: 3 in Phytotogia (April 1995) 78(4): 217-243; "Abies C" in NewsBrief (IDRI) No. 6 (Sep. 1994); Figs 5-8, 17, 21-22 in the present article. - TYPUS: Mexico. Oaxacana: Sierra de Juarez, near Portillo, 2,700 m, June 30, 1994, Debreczy, Rácz, Biró et al. #40675a (Holotypus: BP; Isotypi: A, CHAP, E, MEXU, NA). Arbor ad 20 in alta, trunco simplici; habitus laxe-conicus; cortex rasilis, arboris juvenilis pallide cinereus, postea in laminas irreguläres ruptus; rami castaneo-brunnei, usque ad 5-6 annos sporadice pilosi; ramuli virides-flavovirides, tenuiler pubescentes. pilis 0.10-0.13 mm longis, leviter infuscato-subpellucidis, basin versus leviter conlractis; gemmae (foliis brevibus, incurvatis, terminalibus partim occultae) rotundato-desectae, squamis usque ad 15 triangularibus tectae; externe non-resinosae; folia subdisticha, ascendentia, ad apicem leviter inclinata, litteram "V" patentem formantia, in ramulis lateris dorsalis aliquantum breviora et conspicue reflexa, 3-5 cm longa, 2 mm lata, aciebus parallelis, apice rotundata et breviter (0.14-0.20 mm) emarginata; flexibilia, aliquantum coriacea nitide atroviridia; folia cum/sine lineis stomatum usque ad 5, 2-3 mm longis, prope apicem folii, vel in ramis crassis lineis 2-3 deorsum infra medium folii; pagina ventralis argenteo-cinereus cum margine angusto (0.15-0.20 mm) viridi et costa media 0.2-0.4 mm lata, saepe cum lineis stomatum infractis vel a stomatibus omnino tecta, limitibus bilateraliter singulis argenteis, lineis stomatum typice 14—18 (in positione umbrosa in foliis angustis 10-12) instructis; stomata 12-13 pro I mm, 0.03-0.04 mm longa, anguste elongata; folia in sectione transversali plana, avicularia usque epsilon-formia cum canalibus resiniferis medianis 2-4(1); strobili feminei juveniles 3^t cm longi, bracteis brevibus, initio adpressis postea reflexis (4-5 mm), rotundatis, irregulariter serratis, pallide viridibus, sine costa protrudenti marginem excendenti; strobili masculini 1.2 cm longi, squamis pilosis circa 100 (20 x 5) 1.8 mm latis; strobili maturi 8-9 cm longi, 3.6-4.2 cm lati, cylindracei, rotundati, virides, glauco-virides, pedunculus 0.4-0.8 cm longus; squamae 150-190 (25-38 x 5) pro strobilis, aliformes, subtiliter velutinosae, pilis 0.03-0.06 mm, erectis; bracteae 0.8-1 cm longae, sessiles, apice leviter litteram "V" formantes cum alis 2 inciso-serratis, fimbriatis costam non-prominentem excendentibus; axis anguste-conicus; semina 11 mm longa, 3 mm lata, ala 21 mm longa, 12 mm lata, cucullo 7 mm longo. Description: tree up to 20 m with straight, usually single trunk, loose columnar-conical crown, ascending and horizontally spreading, later slightly descending branches, with shiny dark green foliage; bark: thin, smooth, light grey in young age, later ruptured to irregular plates; branches: chestnut brown, sporadically hairy up to 5-6 years; bud: (partially) hidden by short, incurving terminal leaves, flat, covered by a few, up to 15 triangular scales, not resinous outside; branchiets: green, yellowish green, thinly pubescent with fine (0.10-0.13 mm long), faintly brownish subclear hairs, slightly contracted toward their base; leaves: on stem "subdistichous", ascending, and slightly forward directed, forming an open "V" on the upper (dorsal) side of the branchiets, somewhat shorter and conspicuously re3 Biól. Gustavo Ramirez Santiago, of Ixtlán de Juarez, Oaxaca, Mexico (in 2003: Director General, Corredor Biológico Mesoamericano - Mexico Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, Tlalpan, Mexico, D.F.)
