Abstract

CASTRO-MUNOZ, Rosario; CASTRO-CEPERO, Viviana  and  CERONI-STUVA, Aldo. Phenology of Caesalpinia pulcherrima (L.) Sw. in an urban botanical garden of Lima, Peru. Ecol. apl. [online]. 2015, vol.14, n.2, pp.201-209. ISSN 1726-2216.

Caesalpinia pulcherrima (L.) phenology was studied between January 2006 and December 2007. This plant is a shrub or little tree much appreciated both ornamentally for the beauty of its flowers and medicinally for its healing properties. In this study it was determined that the three stages of bloom: "flower bud", "total bloom" and "wilted flower" showed an annual flowering pattern from February to July, followed by sporadic outbreaks of bloom from September to October. The "appearing fruit" and "green fruit" stages presented an annual pattern of fruiting between February and May for the first stage and between February and September for the second. The "ripe fruit" stage had a continuous fruiting pattern, with higher intensity between July and September. With regard to the vegetative phenophase: the"Over 50% of New Leaves" stage appeared almost the entire year, with higher intensity in the months of February and March, while the "More than 50% of Older Leaves" stage also appeared almost the whole year, without showing regular peaks in the two years. The "Few Leaves" stage only appeared in the last year between September and November. Multivariate canonical correspondence analysis showed that the average temperature had a positive influence on phenophase flowering and that the average relative humidity had influence on the occurrence of the following stages: "Ripe Fruit" and "More than 50% of Older Leaves".

Keywords : Phenology; phenophases; phenological stage; botanical garden.

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