Leaves, nodes and compound structures

Draw a non-double lily in Aquarell: separate six tepals from six stamens

Check tepal whorls, filaments, anthers and central pistil without mixing organ counts.

English translation of the Chinese original, translated on . Original publication dates, attribution, code and version notes are retained.

A lily’s elongated anthers can be confused with its tepals, muddling organ counts. Draw an invented pale lily in Aquarell using a non-double Lilium structure. Mark six tepals, then count six stamens separately from the central pistil. Pose and colours reproduce no exact cultivar, and the structure does not apply to every plant called a lily.

Choose an oblique open flower

Use an approximately 1700×1700 px canvas, pale-grey background and flower opening slightly left toward the viewer, with the stalk below-right. Establish centre, envelope and cup-like base before tips. Separate sketch, far/near tepals, stamens, pistil and shade. Add surfaces converging inward if star-flat, and restore a common base if six separate leaves. Size is illustrative, not flower diameter. This is one flower without required foliage, and tepals do not each acquire a leaf stalk.

Stagger six tepals in two whorls

Mark three outer and three inner tepals, staggered around one centre: six total. Occlusion may reduce visible area, but do not sneak in a seventh exposed tip. Use two greys to trace each from its base, near ones curling forward and far ones behind. Vary visible length/curvature if pinwheel-identical without altering count. Adjust the invented view if whorls overlap completely rather than doubling to twelve. Tepal terminology distinguishes these similar-looking whorls without imposing another organ scheme; double forms are outside this exercise.

Keep tepal folds connected to the base

Vary each tepal’s width from base to tip, with concavity or curled edges that remain on the same organ. Hide rear contours occluded by near tepals rather than showing them through. Establish pale broad surfaces and slightly darker interiors before sparse longitudinal colour bands, without uniform edge teeth. Reduce thickness/glints if plastic-spoon-like; add basal depth if a flat paper star. Omit spots if needed. Patterns identify no unverified cultivar, and curvature diagnoses neither dehydration nor days since flowering.

Give six filaments one anther each

Mark six stamens separately, each filament extending from inside the base and supporting one elongated anther. Temporarily number six ends: anthers are neither orange markings on tepals nor floating grains. Curve filaments slightly, with plausible occluded segments and traceable ownership. If only five anthers read, inspect overlap instead of inserting a stemless sixth into a gap. Lengths and directions are simplified, without identical-stamen requirements or treating guide numbers as natural markings or a measured biological sequence.

Keep the central pistil out of the stamen count

Add the central style and stigma with a shape distinct from elongated anthers. The pistil belongs to a separate category, so it does not make seven stamens. Mark it temporarily in another checking colour, then return to the palette. Keep hidden basal anatomy hidden, without an ovary cutaway. Change a seventh-anther-like tip and slim a candle-like column while retaining a readable distinction from filaments. Depict visible organs only, not pollination, fertility, pollen counts or food/medicinal use.

Model pale tepals through background and local shade

Use warm near-white and lilac-grey shade, with background slightly darker than the lightest tepals rather than black outlines. Distinguish stamens and pistil without making every anther a dominant black block. Hide patterns and check overlap/interior before modest anther colour. Lighten a black-hole-like base to retain roots, and separate merged tepals locally. Keep one light scheme instead of individually spotlighting every organ. Counts must follow structure, not six evenly placed bright dots.

Check tepals and the centre in separate passes

Hide stamens/pistil and verify six tepals, two whorls, common base and occlusion. Restore them, hide guide numbers and count six supported stamens, then inspect the central pistil separately. Do not reduce these checks to an ambiguous thirteen-shape total. Repair a filament rooted on a tepal edge instead of inside. Do not force invisible reference organs into visible gaps from a template; adjust the invented viewpoint for clarity. Exclude numbers, hidden contours and transparent anatomy from export.

Reopen and verify organ categories

Save the editable file, export PNG and reopen it. Check six tepals, six stamens and a separately listed central pistil with their connections. Separate merged anthers or enlarge the subject instead of deleting stamens for appearance. Restore a lost style in the source, not with a floating label. Record a non-double Lilium reference, invented colours and omitted fine veins/pollen/hidden anatomy. Success keeps three organ categories distinct with coherent surfaces and occlusion, not identification or claimed natural sampling/device execution.

Draw a calla lily in Aquarell: wrap the spathe around a readable opening; Draw a sunflower head in Aquarell: distinguish ray florets from central disk florets.

Sources checked on 13 November 2026: the official Aquarell App Store listing and Apple Lookup show version 1.0.7, requiring iOS / iPadOS 15.0 or later. Use the publicly described brush, colour, layer and saving capabilities manually. Dimensions, view and colours are original exercise suggestions; confirm controls against the installed version. Keep editable native artwork and PNG previews. No step-by-step device testing, product inspection or species identification is claimed.

Morphology reference: World Flora Online’s Lilium account lists six tepals and six stamens. The exercise uses a non-double basic structure without copying taxon photographs or cultivar colours.