Hesperaloe parviflora subsp. bechtoldii
| Hesperaloe parviflora subsp. bechtoldii | ||||||||||||
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_Hesperaloe_subsp._bechtoldii_MEX_MB_Hesperaloe_parviflora_subsp._bechtoldii_in_Bl%C3%BCte_mit_Agave_lechuguilla.jpg)
Hesperaloe parviflora subsp. bechtoldii in flower with agave lechuguilla |
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| Hesperaloe parviflora subsp. bechtoldii | ||||||||||||
| Hochstätter |
Hesperaloe parviflora subsp. bechtoldii (English common name "Dwarf Hesperaloe") is a subspecies of the plant species Hesperaloe parviflora of the genus Hesperaloe in the agave family . The botanical name honors Michael Bechtold an expert in cacti and agaves.
description
Hesperaloe parviflora subsp. bechtoldii is stemless, rhizomatous and forms small, variable clumps with a diameter of 20 to 40 cm. The stiff upright, green, finely channel-shaped, lanceolate leaves are 20 to 40 cm long. The white marginal fibers are 2 to 4 cm long.
The upright, unbranched inflorescence becomes 30 to 80 cm long. It leans to one side when it is in full bloom. The salmon-colored, tubular flowers do not open wide and are 25 to 40 mm long. They open during the day and close in the evening. The flowering period is short from April to May. The stamens are 5 to 16 mm long and the anthers 2 to 4 mm. The ovary is 4 to 8 mm long and wide during the anthesis . In contrast to the other species of the genus, the 12 to 18 mm long stylus protrudes from the flower envelope.
The woody, beaked, egg-shaped to oblong capsules when ripe are 25 to 30 mm long and 20 to 30 mm wide. The black seeds are 8 to 10 mm long, 5 to 7 mm wide and 1 mm thick. The seeds ripen from June to July.
Distribution and systematics
Hesperaloe parviflora subsp. bechtoldii is located in Mexico in the state of Coahuila on flat, sandy plains and is only known from the type location. The species grows together with Agave lechuguilla , Agave havardiana , Echinocactus horizonthalonius , Echinocereus caespitosus and various Opuntia species.
The valid description by Fritz Hochstätter under the name Hesperaloe parviflora subsp. bechtoldii was published in 2009.
In Germany the species is frost hardy to minus 15 ° C. It is hardly represented in collections.
photos
Flowers of Hesperaloe parviflora subsp. bechtoldii
Hesperaloe parviflora subsp. bechtoldii in culture
Hesperaloe parviflora subsp. bechtoldii with fruits
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_Hesperaloe_subsp._bechtoldii_In_Kultur_MB_C.jpg)
_Hesperaloe_parviflora_subsp._bechtoldii_mit_Fr%C3%BCchten_MB_A.jpg)
literature
- Fritz Hochstätter: The genus Hesperaloe (Agavaceae) . In: CactusWorld . Volume 27, No. 2, pp. 103-105, 2009
Individual evidence
- ^ Fritz Hochstätter: The genus Hesperaloe (Agavaceae) . In: CactusWorld . Volume 27, No. 2, pp. 103-105, 2009