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  • Escobaria sneedii Britton & Rose
    식물/들꽃-선인장과(Cactaceae) 2024. 10. 11. 15:38

    국표에 없다.

    Origin and Habitat: Escobaria sneediiSN|10397]]SN|10397]] is a Chihuahuan Desert endemic species known to occur in the Franklin Mountains of west Texas and Florida (Trans-Pecos region in El Paso, Hudspeth, Presidio, and Brewster counties) and on both the east and west slopes of the Guadalupe Mountains of southern New Mexico (Las Cruces ). USA.
    Altitude: It grows at elevations of 600-2600 metres above sea level.
    Habitat: This species is found often on steep, south-facing slopes in rocky Silurian-Ordovician-Cambrian limestone outcrops in Chihuhauan desert scrub or in conifer woodlands in the western trans-Pecos region.

    Synonyms:

    See all synonyms of Escobaria sneedii

     

    Common Names include:
    ENGLISH: Sneed's Carpet Escobaria, Sneed's Cory Cactus, Sneed's Pincushion Cactus, Silver-lace Cactus, Guadalupe Pincushion Cactus, Carpet Foxtail Cactus

     

    Description: Escobaria sneediiSN|21585]]SN|10397]] is a low-growing, perennial stem succulent appearing completely covered by tight pure white spines. This plant is a possible relative of Escobaria villardiiSN|10397]]SN|21585]].
    Habit: It is a cespitose, very freely clumping species, forming clumps 30 or more cm in diameter, usually composed of 10 to 100 stems but sometime larger, such that large specimens can have many hundreds of heads with lots of small immature stems.
    Stems: Spherical when young, cylindrical or club-shaped with time, much-branched, obscured by spines, (2-)3-13(-27) cm long and 12-45(-70) mm in diameter. Green,
    Roots: Diffuse when young, or sometimes with a single definite, fleshy tap-root, which runs some centimetres before reducing.
    Tubercles: (2-)4-9(-12) mm hight.
    Spines: 31-68 per areole, needle-like, very dense, obscuring stem, spreading parallel to stem surface, all white when mature; pinkish when growing.
    Central spines: 1-5(-9), porrect, straight, radiating or appressed with bulbous bases, (2-)4-9(-17) mm long, snow white to rarely tan, some with dark pinkish or brownish tips, shortest one out of centre of areole, often protruding outward and downward.
    Radial spines: 25-46(-52) appressed, slender, (3-)5-9(-14) mm long, snow white.
    Flowers: Nearly apical pink to pale rose, (7-)11-25 mm long and in diameter, not opening widely. Outer perianth segments narrow, with fringed edges and prominent pinkish, brown, or greenish midveins and edged in very pale pink. Inner perianth segments paler, edges fringed at least halfway to pointed tips, sometimes notches in otherwise entire margins of petal ends. Filaments white to pinkish or magenta with yellow or orange anthers. Stigma white or yellowish white. Style white longer than stamens with 3-4 slender white stigma lobes (sometime pinkish or yellowish).
    Blooming season: Spring (in habitat from March through May) Flower opens fully only about noon for 3-14 days.
    Fruits: Crimson red, brownish-pink or green, not very succulent, thick, almost spherical, obovoid, club-shaped or cylindrical, 6-21 mm long and in diameter, but usually a little longer than thick, often with a few hairy scales, floral remnant persistent.
    Seeds: 0,9-1,6 mm long, comma-shaped, bright reddish brown, brownish orange, pitted.

    Escobaria sneedii (llifle.com)

    https://youtu.be/nl5G0mMkwxc?t=2708

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