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Morella holdridgeana

(Lundell) Kartesz

Palo de Cera

G1Critically Imperiled Found in 1 roadless area NatureServe Explorer →
G1Critically ImperiledGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.154155
Element CodePDMCC02070
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderMyricales
FamilyMyricaceae
GenusMorella
Synonyms
Myrica holdridgeanaLundell
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic Comments
Called Morella holdridgeana in Kartesz (1999); Myrica holdridgeana in Kartesz (1994), Liogier and Martorell (2000), and Little et al. (1974).
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2018-03-26
Change Date1984-04-09
Edition Date2018-03-26
Edition AuthorsMacBryde, Bruce (2000), rev. Treher (2018)
Threat ImpactUnknown
Range Extent250-5000 square km (about 100-2000 square miles)
Number of Occurrences1 - 20
Rank Reasons
Myrica holdridgeana (or Morella holdridgeana) occurs locally in the Luquillo Mountains and Central Range in Puerto Rico (from 2500 feet upwards), in the colorado and dwarf forest zones. Presently 50-100 individuals are known, at six sites. It occurs in El Yunque National Forest, Black Bull State Forest, and Maricao State Forest.
Range Extent Comments
Morella holdridgeana is endemic to Puerto Rico and occurs in Sierra de Luquillo (El Yunque National Forest), Cordillera Central (Black Bull State Forest), Cordillera Occidental (Maricao State Forest) (Gann et al. 2018).
Occurrences Comments
Six occurrences known as of 2000.
Threat Impact Comments
Potentially threatened by possible future expansion of electronic and communication sites and trail maintenance.
Ecology & Habitat

Habitat

Occurs in colorado forest and dwarf forest of ridges and peaks (Little et al. 1974).
Terrestrial Habitats
Forest/Woodland
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (1)
Puerto Rico (1)
AreaForestAcres
El Toro AreaCaribbean National Forest12,584
References (7)
  1. Gann, G.D., J.C. Trejo-Torres and C.G. Stocking. 2015-2018. Plants of the Island of Puerto Rico. The Institute for Regional Conservation. Delray Beach, Florida USA.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  3. Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
  4. Liogier, H.A., and L.F. Martorell. 1982. Flora of Puerto Rico and adjacent islands: A systematic synopsis. Editorial de la Universidad de Puerto Rico, Rio Piedras. 342 pp.
  5. Liogier, H.A., and L.F. Martorell. 2000. Flora of Puerto Rico and adjacent islands: A systematic synopsis. 2nd edition, corrected and revised by H.A. Liogier. Editorial de la Universidad de Puerto Rico, Rio Piedras. 382 pp.
  6. Little, E.L., Jr., R.O. Woodbury, and F.H. Wadsworth. 1974. Trees of Puerto Rico and the Virgin Islands. Vol. 2. Agric. Handbook No. 449. U.S. Dept. of Agriculture, Forest Service. 1024 pp.
  7. Quevedo, Vicente. Personal Communication. Puerto Rico Conservation Data Center.