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!Geissorhiza monticola Goldblatt & J.C. Manning Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Bothalia 39(2): 129. 2009. (Bothalia) Name publication detail
 

Project Name Data (Last Modified On 9/8/2016)
Acceptance : Accepted
Taxon Profile     (Last Modified On 9/8/2016)
Description: Plants 100–160 mm high. Corm globose, asymmetric with oblique, flattened side, ± 10 mm diam.; tunics concentric, dark brown, fragmenting into vertical sections. Stem filiform, flexuose, with up to four branches from axils of cauline leaves. Leaves 4–7, soft-textured, lower 2 or 3 basal and ± half as long as stem, spreading to prostrate, linear to falcate, plane with slightly thickened and raised main vein, 2–3 mm wide, upper leaves cauline, progressively decreasing in size, partly to entirely sheathing. Spike 1-flowered on main axis and branches; bracts green, soft, flushed purple, margins membranous, ± transparent, 8–10 mm long, inner slightly shorter. Flowers zygomorphic, nodding with tepals held vertically, blue-mauve with greenish cream throat edged with dark blue; perianth tube funnel-shaped, slightly curved, ± 3 mm long; tepals narrowly oblong, obtuse, spreading at right angles to tube, 14–18 × 4.0–5.5 mm, inner slightly narrower than outer. Filaments unilateral, declinate, 7–9 mm long, exserted 7–8 mm; anthers 3–4 mm long, dull pink. Style dividing near apex of anthers, branches 3–4 mm long. Flowering time: September.
Country: South Africa
South African Province: Western Cape
Distribution and ecology: : known only from the central Swartberg, west of Swartberg Pass in Western Cape; on south-trending, rocky sandstone slopes in pockets of peaty sand.
Diagnosis: distinguished by its large, zygomorphic flowers solitary on the branches, Geissorhiza monticola has a nodding blue perianth and well exserted, declinate stamens The flowers have a short perianth tube ± 3 mm long and tepals 14–18 mm long. The plane leaves are prostrate with slightly thickened margins and main veins. Its relationships presumably lie with G. delicatula of the Langeberg and Swartberg and its allies, with which it shares an oblique corm, several plane leaves with the marginal vein set slightly away from the margin itself, and solitary flowered spikes. G. delicatula has much smaller, cup-shaped flowers held upright, with elliptical or obovate, pale mauve tepals mostly 7–10 mm long, erect stamens with filaments 3–5 mm long, and a central style of similar length with short style branches up to 1.5 mm long, thus less than half as long as in G. monticola. G. nigromontana may also be confused with G. monticola but it has a stem ± prostrate toward the base, a spike of 2 or 3 flowers (flowers always single in G. monticola), bears cormlets in the leaf axils, shorter leaves with blades 4–10 mm wide (vs 2–3 mm in G. monticola) and the flowers are, as far as known, upright and radially symmetric.

 
 


 

Specimens whose coordinates are enclosed in square brackets [ ] have been mapped to a standard reference mark based on political units.
 
 
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