Anthurium (sect. Urospadix) (subsect. Insculptinervia) Engler 1898
Creators: name: Hammes, Janaine K.
name: Coelho, Marcus A. N.
name: Temponi, Lívia G.
name: Lombardi, Julio Antonio
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Alismatales
Araceae
Anthurium

description: Identification key to Anthurium sect. Urospadix subsect. Insculptinervia species
1. Stem reptant........................................................................................................................................................................................2
- Stem erect ...........................................................................................................................................................................................3
2. Base of the leaf blade truncated to obtuse, angle between the spathe and peduncle straight, fruit green at the base and brown at the apex........................................................................................................................................................................ A. megapetiolatum
- Base of the leaf blade rounded to cordate, angle between the spathe and peduncle obtuse, fruit red................................ A. longipes
3. Leaf blade with glandular dots ...........................................................................................................................................................4
- Leaf blade without glandular dots ......................................................................................................................................................7
4. Base of the leaf blade usually cordate, sometimes truncate, rarely rounded, with sinus ...................................................................5
- Base of the leaf blade rounded to truncate, without sinus................................................................................................. A. marense
5. Leaf blade deflexed to perpendicular in relation to the stem ............................................................................................. A. hoehnei
- Leaf blade erect in relation to the stem ..............................................................................................................................................6
6. Petiole flat to caniculated with acute margins to subcarenated adaxially, spathe navicular forming a straight angle with the peduncle ................................................................................................................................................................................ A. unense
- Petiole cylindrical to slightly sulcate with obtuse margins adaxially, spathe flattened forming acute angle with the peduncle ......... ....................................................................................................................................................................................... A. fontellanus
7. Epiphyte or rupicolous, spathe generally caducuous, spadix gray in post-anthesis............................................................ A. comtum
- Terrestrial, spathe persistent, spadix not gray in post-anthesis...........................................................................................................8
8. Petiole larger than the leaf blade, fruit greenish with apex vinaceous .............................................................................. A. cipoense
- Petiole shorter or with the same size as the leaf blade, fruit greenish................................................................................................9
9. Petiole shorter than the leaf blade ....................................................................................................................................................10
- Petiole with the same lenght as the leaf blade..................................................................................................................................14
10. Peduncle larger than the petiole........................................................................................................................................................11
- Peduncle with the same lenght or shorter than the petiole ...................................................................................... A. brigadeiroense
11. Fruit green ........................................................................................................................................................................................12
- Fruit vinaceous .................................................................................................................................................................................13
12. Secondary veins 21-25, leaf blade 30-70 cm length, geniculum 5-8 mm length ............................................................... A. galeottii
- Secondary veins 9-14, Leaf blade 14-47 cm length, geniculum 2-6 mm length..................................................... A. brigadeiroense
13. Petiole caniculated adaxially, spadix stipitate .................................................................................................................. A. nitidulum
- Petiole sulcate adaxially, spadix sessile............................................................................................................................... A. eichleri
14. Spadix stipitate, fruits green with white dots at the apex and white shades at the base......................................................... A. narae
- Spadix sessile, fruits greenish...........................................................................................................................................................15
15. Petiole flattened to slightly sulcate with obtuse margins adaxially, unripened fruit green ........................................... A. caparoense
- Petiole sulcate with margins that are frequently obtuse, unripened fruits vinaceous.................................................. A. atrovinosum
description: Published as part of Hammes, Janaine K., Coelho, Marcus A. N., Temponi, Lívia G. & Lombardi, Julio Antonio, 2020, Two new species of Anthurium Schott (Araceae) from the Atlantic Forest in Minas Gerais, Brazil, pp. 292-300 in Phytotaxa 440 (4) on page 299, DOI: 10.11646/phytotaxa.440.4.4, http://zenodo.org/record/13872132