Veins, runners and organ connections

Draw a ginkgo leaf in Aquarell: fan branching veins from the leaf base

Check a fan blade, open notch and Y-branching veins rather than a thick central midrib with a side-vein network.

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

A ginkgo leaf suggests a fan, but is neither folded paper nor a typical broad leaf with a thick midrib and fishbone laterals. Reference Ginkgo biloba’s fan shape and dichotomous venation, drawing an invented shallow-notched leaf in Aquarell. Notch depth and depicted vein count are selected and simplified, not perfectly symmetric lobes imposed on all leaves or evidence of cultivar, age or health.

Join stalk and fan at one leaf base

Use an approximately1500×1600 px portrait canvas with pale grey-violet background, stalk rising from lower left to the base and fan spreading upper right. Block stalk axis and fan sides, entering a narrow base that widens into the blade. Separate blade, veins, stalk and shadow; use soft golden yellow. Reduce thick rim and bulging if shell-like, clarifying the slender stalk. Reduce separate petal-like lobes if flower-like. Pixels, stalk length and yellow are compositional, not measurements or a leaf-fall date inferred from colour. Complete this chosen form without making it universal.

Make the notch open to the outer margin

Leave a shallow V-like notch slightly right of the upper fan centre, open to background and stopping well short of the base. Allow mild asymmetry while retaining continuous blade beneath it. Shorten a split and reconnect below if two leaves; open it to the margin if an interior hole. Do not cut to the stalk to force two lobes. Check background connectivity and trace the entire margin for accidental holes. Notch depth is not a universal fraction or evidence of insect damage.

Fan veins from base toward the broad margin

Begin pale guides from base toward the broad margin, turning with the fan rather than hanging symmetric branches off one thick axis. Central lines may exist without one becoming a trunk for all others. Compress far spacing and gather lines naturally at the base. Soften equal rigid ribs if a folding fan; remove arbitrary cross-linked cells if a palmate network. Guide count is artistic, not a fixed anatomical main-vein count. Omit many fine veins while preserving correct radiation and branching in those shown.

Check three clear Y branches first

Choose three clearly visible Y branches: one line divides into two continuing toward the margin, without immediately enclosing diamond networks. Taper their weight and vary angles with available fan space, not a stamped pattern. Trace each tip back through its fork to the base, checking for floating segments. Reduce extreme thickness changes and angularity if tree-like, or contrast if lightning-cracked. Three are checking locations, not the leaf’s total forks. Do not force every vein to divide at the same height.

Turn vein lines with the gently curved blade

Curve one side modestly with soft values, not a deep fold turning the fan into origami. Shorten or occlude veins around a curl rather than extending through background. Light upper left, brighter gold near and olive-yellow far, retaining colour in shade. Soften sharp glints and uniform thickness if plastic-like; restore solid blade if overly transparent. Veins are not metal wires with independent cast shadows. Do not show hidden forks through a curled surface merely to display all of them.

Avoid a uniformly serrated margin

Join broad upper arcs with restrained soft undulations and taper sides into the base, not sharp teeth everywhere. Suggest local waviness rather than a gear pattern. Use slightly darker yellow-brown for the stalk, attached clearly without a rod through the fan. Reduce deep lobes and points if maple-like; restore spreading sides and shallow notch if a disc. Keep damage variants separate instead of adding holes for naturalism. Record omitted fine detail as omission, not a source-confirmed absence.

Read fan shape ahead of venation at small size

At roughly quarter size, check stalk-base attachment, continuous fan and externally open notch, then enlarge the three Y branches. Lower vein contrast and restore broad colour if only radiating lines remain. Remove an accidental thick midrib and cross-grid if a generic broad leaf. Keep background quiet so stalk origin remains findable. Hide veins to inspect form, then restore them for surface turning; many lines cannot rescue wrong branching. Exclude numbered guides and hidden outlines from export, separating visible evidence from explanatory lines.

Save radiating forks and a continuous blade

Keep native layers and inspect an exported PNG for an intact base below the notch, non-fishbone veins and three Y checks without closed networks. Reduce line count or enlarge the leaf if veins merge into darkness rather than blackening each. Recover a lost yellow edge with local background/shade, not a heavy black border. Record ginkgo and selected shallow notch. An unnotched leaf needs revised checks, not a forced notch for the template. This is clear morphology, not automatic identification, real-vein counting, diagnosis or measurements of a particular tree.

Draw a leaf in Aquarell: from outline to soft veins; Draw a fern frond in Aquarell: organise the main axis, pinnae and smaller leaflets.

Sources checked on 12 November 2026: the official Aquarell App Store listing and Apple Lookup show version 1.0.7, requiring iOS / iPadOS 15.0 or later. The drawing uses the publicly described brush, colour, layer and saving capabilities manually. Sizes, shapes and colours are practice suggestions; confirm controls against the installed version. Keep the native artwork for further editing and use PNG for previews. This batch does not claim step-by-step device testing.

Morphology references: NC State’s ginkgo profile describes fan leaves and dichotomous venation; the USDA ginkgo guide describes radiating, branching veins without a joined network. Colour, shallow notch and three check locations are original choices.