Cenni Storici

Collection of Philadelphus – Hydrangeaceae –
in the Giardino Botanico ‘Caplez’

Owner and Curator: Cristina Schindler

Genus Philadelphus

Shrubs erect, rarely climbing, rarely spinescent . Branchlets opposite. Leaves opposite, exstipulate, veins 3-5, basifugal, margin entire or serrate. Inflorescences racemose, paniculate, or cymose, rarely 1-flowered. Flowers fragrant. Calyx tube campanulate or turbinate, adnate to ovary; lobes 4 (or 5). Petals 4 (or 5), white, contorted. Stamens 13-90; filaments flat, free or basally connate; anthers ovoid or oblong, rarely globose. Ovary inferior or subinferior, 4 (or 5) -loculed; placentation axile; ovules numerous, pendulous. Style (3 or) 4 (or 5) -lobed; stigmas clavate or spatulate. Fruit a capsule, 4 (or 5) -valved, dehiscing by valves; epicarp papery; endocarp corky. Seeds numerous.

About 70 species: mainly in temperate regions of the N hemisphere; 22 species (17 endemic) in China.

Taxonomy

Domain:Eukaryota – Whittaker & Margulis,1978 – eukaryotes

Kingdom: Plantae – Haeckel, 1866 – Plants

Subkingdom: Viridaeplantae – Cavalier-Smith, 1981

Phylum: Tracheophyta – Sinnott, 1935 ex Cavalier-Smith, 1998 – Vascular Plants

Subphylum: Euphyllophytina

Infraphylum: Radiatopses – Kenrick & Crane, 1997

Class: Spermatopsida – Brongniart, 1843

Subclass: Asteridae – Takhtajan, 1967

Superorder: Cornanae – Thorne Ex Reveal, 1996

Order: Cornales – Dumortier, 1829

Family: Hydrangeaceae -Dumortier, 1829, nom. cons.

Subfamily: Hydrangeoideae

Tribe: Philadelpheae

Genus: Philadelphus – C. Linnaeus, 1753 – Mock Orange 

  Plant list – Lista delle piante in collezione

Errorum significationes sive nominum sive missionis animo grato accipiemus

Collection of Spiraea – Rosaceae –
in the Giardino Botanico ‘Caplez’

Owner and Curator collection: Massimo Cantoni

Aggiornamento al 09/08/2015

Genus Spiraea

Shrubs deciduous. Winter buds small, with 2-8 exposed scales. Leaves alternate, usually shortly petiolate , simple ; stipules absent; leaf blade veins usually pinnate, rarely 3-5 from base , margin serrate or incised, sometimes lobed , rarely entire. Flowers in umbels, umbel-like racemes , corymbs, or panicles, bisexual , rarely ± unisexual . Hypanthium campanulate or cupular, lined by nectariferous disk. Sepals 5, valvate or slightly imbricate, usually slightly shorter than hypanthium. Petals 5, imbricate or contorted, usually longer than sepals. Stamens 15-60, borne between disk and petals. Disk annular, usually lobed. Carpels (3-) 5(-8), free ; ovules (2 to) several per carpel, pendulous; styles terminal , subterminal , or abaxial ; stigma capitate or disciform. Follicles bony, often dehiscent along adaxial suture. Seeds linear to oblong , minute; testa membranous.

Between 80 and 100 species: N temperate zone, extending S to mountainous subtropical areas; 70 species (47 endemic) in China.

Taxonomy

Domain: – Eukaryota() – Whittaker & Margulis,1978 – eukaryotes      
      Kingdom: Plantae () – Haeckel, 1866 – Plants
           Subkingdom: Viridaeplantae() – Cavalier-Smith, 1981
                 Phylum: Tracheophyta() – Sinnott, 1935 ex Cavalier-Smith, 1998 – Vascular Plants
                      Subphylum: Euphyllophytina
                            Infraphylum: Radiatopses– Kenrick & Crane, 1997
                                Class: Spermatopsida– Brongniart, 1843
                                      Subclass: Rosidae – Takhtajan, 1967
                                            Superorder: Rosanae– Takhtajan, 1967
                                                    Order: Rosales– Perleb, 1826                           
                                                           Family: Rosaceae-A.L. De Jussieu, 1789, nom.cons.- Rose Family
                                                                Tribe: Spiraeeae

                                                                        Genus: Spiraea – C. Linnaeus, 1753 – Spirea