Pinanga, Blume, 1838

Adorador, Jiro T., Meneses, Zhereeleen D. & Fernando, Edwino S., 2020, Pinanga gruezoi (Arecaceae), a new slender clustering palm from the Philippines with notes on an amended description of P. samarana, Phytotaxa 429 (2), pp. 120-134 : 131

publication ID

https://doi.org/ 10.11646/phytotaxa.429.2.3

persistent identifier

https://treatment.plazi.org/id/EC0BAE2F-0F55-FFCE-7C87-FCDD19E4FB5A

treatment provided by

Felipe

scientific name

Pinanga
status

 

Key to functional groups of Philippine Pinanga View in CoL

1 Fruits small, typically less than 1 cm diam ........................................................................................................................................ 2

- Fruits relatively big, typically more than 1 cm diam.......................................................................................................................... 3

2 Stem very slender, often less than 2 cm diam., leaflets 2‒8-costulate ±falcate-sigmoidal about 1‒11 per side of rachis, inflorescence with 1‒9 rachillae, found in lowland areas less than c. 500 (±200) m elev ......................................................................................... ........................................... Modesta group ( P. egregia View in CoL , P. geonomiformis View in CoL , P. gruezoi View in CoL , P. heterophylla View in CoL , P. isabelenis , P. modesta View in CoL )

- Stem moderately slender, often 2‒6 cm diam., leaflets 1‒2-costulate and ±linear-lanceolate about 10‒40 per side of rachis, inflorescence with c. (6‒)14‒30 rachillae, found in montane areas more than c. 500 (±200) m elev.............. Philippinensis group ( P. negrosensis View in CoL , P. philippinensis View in CoL , P. rigida View in CoL , P. sclerophylla View in CoL , P. sierramadreana View in CoL , P. sobolifera View in CoL , P. urdanetensis View in CoL , P. woodiana View in CoL )

3 Stem much robust, more than 6 cm diam. leaflets typically bi-costulate............................................................................................. ............................................................... Speciosa group ( P. basilanensis View in CoL , P. batanensis View in CoL , P. insignis View in CoL , P. sibuyanensis View in CoL , P. speciosa View in CoL )

- Stem moderately robust (4‒6 cm diam.), leaflets variable 1-many costulate .................................................................................... 4

4 Leaves mottled, abaxial surface with whitish or brownish indumentums............................................................................................ ............................................................................................. Maculata group ( P. bicolana View in CoL , P. copelandii View in CoL , P. curranii View in CoL , P. maculata View in CoL )

- Leaves not mottled, abaxial surface glabrous to glaucous ............. Urosperma group ( P. glaucifolia View in CoL , P. samarana View in CoL , P. urosperma View in CoL )

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Arecales

Family

Arecaceae

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