PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Utricularia sandersonii
Family Lentibulariaceae
Utricularia sandersonii APNI*

Description: Small, perennial lithophytic herb, 20–40 mm high. Rhizoids numerous, capillary, to c. 10 mm long, to c. 0.3 mm wide. Stolons present, glandular.

Leaves few, obovate, long-petiolate; lamina c. 10 mm long (including petiole), 2–3 mm wide, apex entire, venation indistinct, dichotomously branched. Traps few, on rhizoids and leaves, subglobular, stalked, 0.5–0.8 mm long; mouth slightly lateral to subterminal, dorsal appendage distinct, rounded, long-stipitate glandular, ventral appendage very short, forming a small stipitate glandular lip.

Inflorescence erect, simple, solitary, 2–7 cm high, few- to c. 4-flowered; peduncle terete, with scales few or absent, similar to bracts but smaller; non-floral bracts basifixed, ovate, 0.7–1 mm long, c. 0.3 mm wide; pedicel 1.5–2 m long; bracts triangular, c. 1 mm long, c. 0.5 mm wide, apex subacute; bracteoles 2, basifixed, c. 0.7 mm long, c. 0.1 mm wide, white with tinge of purple along length, apex subacute. Calyx 2-lobed, cucullate; lower and upper lobes ovate to sub-circular, 2.2–2.4 mm long (upper lobe larger than lower), c. 1 mm wide. Corolla 11–12 mm long, white with faint lilac tinge; spur curved forward (porrect) and directed slightly upwards, c. 10 mm long, cylindrical, slightly tapered, apex obtuse; lower lip obovate, c. 7 mm long, 4.5–5 mm wide, white, with green-yellow crescent-like marking near mouth (distinctly white-papillose medially between 'curve' of crescent, more distally with two lateral (narrow) lilac markings, then with additional, but indistinct green-yellow marking medially, and most distally with broad, darker lilac marking (darker laterally); lateral ridges 2, prominent, white; central ridges absent; margin slightly irregular to notched (crenate) distally; upper lip deeply 2-lobed, each lobe slightly obovate, divergent, 3.5–4 mm long, c. 1 mm wide, white with lilac strip medially. Staminal filaments curved, c. 1 mm long; locules subdistinct. Ovary ovoid, c. 1.2 mm long; style and stigma c. 2 mm long; stigma 2-lobed, lower lip semi-circular, upper lip deltoid, about as long as lower lip, receptive.

Capsule unknown.


Illustration
C. Wardrop

Habit
Photo A.T. Fairley

Flower
Photo A.T. Fairley

Flowering: Not known, probably November and December .

Distribution and occurrence: NSW, Central Tablelands, Blue Mountains City Council Reserve, S of Blackheath.
NSW subdivisions: *CT
AVH map***

Text by B.J. Conn, E.A. Brown & A.T. Fairley
Taxon concept:


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET