Agave guttata

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Agave guttata
Systematics
Order : Asparagales (Asparagales)
Family : Asparagaceae (Asparagaceae)
Subfamily : Agave family (Agavoideae)
Genre : Agaves ( agave )
Subgenus : Manfreda
Type : Agave guttata
Scientific name
Agave guttata
Jacobi & CDBouché

Agave guttata is a species of plant from the genus of agaves ( Agave ) in the subfamily of the agave family (Agavoideae). The specific epithet guttata comes from Latin , means 'sprinkled with dots or drops' and refers to the mottled leaves of the species.

description

Agave guttata reproduces vegetatively by spreading rhizomes . The onion-shaped to elongated rhizomes are 1.8 to 4 inches long and 1.3 to 3 inches wide. Their roots are semi-flesh. The two to seven (in culture up to 13) spread out to erect, lanceolate to lanceolate-elliptical leaves are semi-succulent and often narrowed down to their base. They are runny and wavy. Their point is blunt and has a short, firm point. The glauken uniformly green or with small to large and confluent green or brown spots occupied lamina 14 to 38 (often from 8) centimeters long and 1.3 to 4.1 (often from 0.9) centimeters wide. The leaf margins show a narrow white, cartilaginous band and are sometimes dashed in red. The edges are tiny serrated to gnawed. The remnants of the leaf base are fibrous and 3 to 6 inches long.

The “eared” inflorescence reaches a height of 91 to 156 (rarely from 60) centimeters. The compact, flower-bearing part is 3 to 14 (rarely from 2.3) centimeters long and bears four to 25 (rarely 2 to 33)  flowers . A flower stalk is missing or the lower flowers are very short. The cylindrical ovary is 6 to 12 (rarely up to 15) millimeters long. The perigone tube, which is cylindrical to oval in cross section, is slightly curved. It has a length of 3 to 12 millimeters. The elongated, tightly rolled back to screwy, greenish yellow perigone lobes are 10 to 15 (rarely from 6) millimeters long. The light green, often brown spotted stamens protrude over the flower tube by 20 to 29 (rarely up to 41) millimeters. The stylus is longer bent in the adult state than the stamens and upward. The club-shaped scars are three-lobed. The flowering period extends from mid-July to late August.

The ellipsoidal fruits are 1.6 to 2.4 inches long and 1 to 1.9 inches wide. They contain seeds 3 millimeters long and 4 millimeters wide.

Systematics and distribution

Agave guttata is common in the Mexican states of San Luis Potosí , Aguascalientes , Jalisco , Zacatecas and Durango in full sun, on grassy roadsides, on rocky fields, hills and road cuttings at altitudes of 1220 to 2440 meters.

The first description by Georg Albano von Jacobi and Carl David Bouché was published in 1865.

Nomenclatory synonyms are Manfreda guttata (Jacobi & CDBouché) Rose (1903) and Polianthes guttata (Jacobi & CDBouché) Shinners (1966). Further synonyms are Agave protuberans Engelm. ex Baker (1888), Leichtlinia protuberans (Engelm. ex Baker) H.Ross (1896) and Leichtlinia commutata H.Ross (1896).

The species belongs to the subgenus Manfreda and is probably assigned to the Manfreda group there.

proof

literature

  • Joachim Thiede: Agave guttata . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 35 .

Individual evidence

  1. ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 100.
  2. ↑ Georg Albano von Jacobi: Attempt to a systematic order of the agaves (continued) . In: Hamburg garden and flower newspaper . Volume 21, 1865, p. 561 (online) .
  3. ^ Joseph Nelson Rose: Studies of Mexican and Central American Plants - No. 3 . In: Contributions from the United States National Herbarium . Volume 8, Part 1, 1903, p. 21 (online) .
  4. ↑ Lloyd Herbert Shinners: Texas Polianthes, including Manfreda (Agave subgenus Manfreda) and Runyonia (Agavaceae) . In: Sida . Volume 2, Number 4, 1966, p. 337 (online) .
  5. ↑ John Gilbert Baker: Handbook of the Amaryllideae, including the Alstroemerieae and Agaveae. Bell & sons, London 1888, p. 197 (online) .
  6. ^ Hermann Ross: Icones et Descriptiones Plantarum Novarum vel Rariorum Horti Botanici Panormitani . Palermo 1896, p. 8, plate 3 (online) .
  7. ^ Hermann Ross: Icones et Descriptiones Plantarum Novarum vel Rariorum Horti Botanici Panormitani . Palermo 1896, p. 10.

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